Home / 86,729,803,333.12-129,940,796,348.16-36,253,968,371.20

Finding the Fourth Proportional to 86,729,803,333.12, 129,940,796,348.16 and 36,253,968,371.20

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Solution

The fourth proportional to 86,729,803,333.12, 129,940,796,348.16 and 36,253,968,371.20 is: 54,316,617,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,729,803,333.12 : 129,940,796,348.16 = 36,253,968,371.20 : x
  2. Step 2: Convert to fraction form
    86,729,803,333.12/129,940,796,348.16 = 36,253,968,371.20/x
  3. Step 3: Cross multiply
    86,729,803,333.12x = 129,940,796,348.16 × 36,253,968,371.20
  4. Step 4: Simplify right side
    86,729,803,333.12x = 4,710,869,520,934,733,086,720
  5. Step 5: Solve for x
    x = 4,710,869,520,934,733,086,720/86,729,803,333.12
  6. Step 6: Final answer
    x = 54,316,617,124.57

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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.