Home / 102,470,751.97-141,411,232.02-56,061,780.91

Finding the Fourth Proportional to 102,470,751.97, 141,411,232.02 and 56,061,780.91

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Solution

The fourth proportional to 102,470,751.97, 141,411,232.02 and 56,061,780.91 is: 77,366,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,470,751.97 : 141,411,232.02 = 56,061,780.91 : x
  2. Step 2: Convert to fraction form
    102,470,751.97/141,411,232.02 = 56,061,780.91/x
  3. Step 3: Cross multiply
    102,470,751.97x = 141,411,232.02 × 56,061,780.91
  4. Step 4: Simplify right side
    102,470,751.97x = 7,927,765,507,718,417
  5. Step 5: Solve for x
    x = 7,927,765,507,718,417/102,470,751.97
  6. Step 6: Final answer
    x = 77,366,129.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.