Home / 86,173,373.40-129,260,060.10-43,049,232.60

Finding the Fourth Proportional to 86,173,373.40, 129,260,060.10 and 43,049,232.60

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Solution

The fourth proportional to 86,173,373.40, 129,260,060.10 and 43,049,232.60 is: 64,573,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,173,373.40 : 129,260,060.10 = 43,049,232.60 : x
  2. Step 2: Convert to fraction form
    86,173,373.40/129,260,060.10 = 43,049,232.60/x
  3. Step 3: Cross multiply
    86,173,373.40x = 129,260,060.10 × 43,049,232.60
  4. Step 4: Simplify right side
    86,173,373.40x = 5,564,546,393,134,879
  5. Step 5: Solve for x
    x = 5,564,546,393,134,879/86,173,373.40
  6. Step 6: Final answer
    x = 64,573,848.90

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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.