Home / 113,984,878.08-157,376,347.61-72,206,018.40

Finding the Fourth Proportional to 113,984,878.08, 157,376,347.61 and 72,206,018.40

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Solution

The fourth proportional to 113,984,878.08, 157,376,347.61 and 72,206,018.40 is: 99,693,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,984,878.08 : 157,376,347.61 = 72,206,018.40 : x
  2. Step 2: Convert to fraction form
    113,984,878.08/157,376,347.61 = 72,206,018.40/x
  3. Step 3: Cross multiply
    113,984,878.08x = 157,376,347.61 × 72,206,018.40
  4. Step 4: Simplify right side
    113,984,878.08x = 11,363,519,451,252,458
  5. Step 5: Solve for x
    x = 11,363,519,451,252,458/113,984,878.08
  6. Step 6: Final answer
    x = 99,693,219.33

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