Home / 86,920,128,995.40-130,380,193,493.10-31,024,440,073.80

Finding the Fourth Proportional to 86,920,128,995.40, 130,380,193,493.10 and 31,024,440,073.80

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Solution

The fourth proportional to 86,920,128,995.40, 130,380,193,493.10 and 31,024,440,073.80 is: 46,536,660,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,995.40 : 130,380,193,493.10 = 31,024,440,073.80 : x
  2. Step 2: Convert to fraction form
    86,920,128,995.40/130,380,193,493.10 = 31,024,440,073.80/x
  3. Step 3: Cross multiply
    86,920,128,995.40x = 130,380,193,493.10 × 31,024,440,073.80
  4. Step 4: Simplify right side
    86,920,128,995.40x = 4,044,972,499,837,129,850,880
  5. Step 5: Solve for x
    x = 4,044,972,499,837,129,850,880/86,920,128,995.40
  6. Step 6: Final answer
    x = 46,536,660,110.70

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Double scale
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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.