Home / 77,684,191.57-107,196,551.94-42,874,640.02

Finding the Fourth Proportional to 77,684,191.57, 107,196,551.94 and 42,874,640.02

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Solution

The fourth proportional to 77,684,191.57, 107,196,551.94 and 42,874,640.02 is: 59,162,790.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,684,191.57 : 107,196,551.94 = 42,874,640.02 : x
  2. Step 2: Convert to fraction form
    77,684,191.57/107,196,551.94 = 42,874,640.02/x
  3. Step 3: Cross multiply
    77,684,191.57x = 107,196,551.94 × 42,874,640.02
  4. Step 4: Simplify right side
    77,684,191.57x = 4,596,013,575,276,750
  5. Step 5: Solve for x
    x = 4,596,013,575,276,750/77,684,191.57
  6. Step 6: Final answer
    x = 59,162,790.82

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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.