Home / 155,033,264.52-232,330,526.10-85,976,440.74

Finding the Fourth Proportional to 155,033,264.52, 232,330,526.10 and 85,976,440.74

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Solution

The fourth proportional to 155,033,264.52, 232,330,526.10 and 85,976,440.74 is: 128,843,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,033,264.52 : 232,330,526.10 = 85,976,440.74 : x
  2. Step 2: Convert to fraction form
    155,033,264.52/232,330,526.10 = 85,976,440.74/x
  3. Step 3: Cross multiply
    155,033,264.52x = 232,330,526.10 × 85,976,440.74
  4. Step 4: Simplify right side
    155,033,264.52x = 19,974,951,709,329,672
  5. Step 5: Solve for x
    x = 19,974,951,709,329,672/155,033,264.52
  6. Step 6: Final answer
    x = 128,843,005.22

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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.