Home / 134,569,538.85-185,706,044.99-72,689,904.75

Finding the Fourth Proportional to 134,569,538.85, 185,706,044.99 and 72,689,904.75

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Solution

The fourth proportional to 134,569,538.85, 185,706,044.99 and 72,689,904.75 is: 100,312,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,569,538.85 : 185,706,044.99 = 72,689,904.75 : x
  2. Step 2: Convert to fraction form
    134,569,538.85/185,706,044.99 = 72,689,904.75/x
  3. Step 3: Cross multiply
    134,569,538.85x = 185,706,044.99 × 72,689,904.75
  4. Step 4: Simplify right side
    134,569,538.85x = 13,498,954,721,822,316
  5. Step 5: Solve for x
    x = 13,498,954,721,822,316/134,569,538.85
  6. Step 6: Final answer
    x = 100,312,112.51

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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.