Home / 86,680,920,691.80-130,021,381,037.70-73,456,968,000.60

Finding the Fourth Proportional to 86,680,920,691.80, 130,021,381,037.70 and 73,456,968,000.60

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Solution

The fourth proportional to 86,680,920,691.80, 130,021,381,037.70 and 73,456,968,000.60 is: 110,185,452,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,680,920,691.80 : 130,021,381,037.70 = 73,456,968,000.60 : x
  2. Step 2: Convert to fraction form
    86,680,920,691.80/130,021,381,037.70 = 73,456,968,000.60/x
  3. Step 3: Cross multiply
    86,680,920,691.80x = 130,021,381,037.70 × 73,456,968,000.60
  4. Step 4: Simplify right side
    86,680,920,691.80x = 9,550,976,426,280,149,319,680
  5. Step 5: Solve for x
    x = 9,550,976,426,280,149,319,680/86,680,920,691.80
  6. Step 6: Final answer
    x = 110,185,452,000.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.