Home / 102,808,122.58-141,874,382.39-55,765,079.17

Finding the Fourth Proportional to 102,808,122.58, 141,874,382.39 and 55,765,079.17

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Solution

The fourth proportional to 102,808,122.58, 141,874,382.39 and 55,765,079.17 is: 76,955,360.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,808,122.58 : 141,874,382.39 = 55,765,079.17 : x
  2. Step 2: Convert to fraction form
    102,808,122.58/141,874,382.39 = 55,765,079.17/x
  3. Step 3: Cross multiply
    102,808,122.58x = 141,874,382.39 × 55,765,079.17
  4. Step 4: Simplify right side
    102,808,122.58x = 7,911,636,165,539,691
  5. Step 5: Solve for x
    x = 7,911,636,165,539,691/102,808,122.58
  6. Step 6: Final answer
    x = 76,955,360.79

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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.