Home / 123,487,287.07-185,247,964.08-71,696,280.55

Finding the Fourth Proportional to 123,487,287.07, 185,247,964.08 and 71,696,280.55

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Solution

The fourth proportional to 123,487,287.07, 185,247,964.08 and 71,696,280.55 is: 107,554,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,487,287.07 : 185,247,964.08 = 71,696,280.55 : x
  2. Step 2: Convert to fraction form
    123,487,287.07/185,247,964.08 = 71,696,280.55/x
  3. Step 3: Cross multiply
    123,487,287.07x = 185,247,964.08 × 71,696,280.55
  4. Step 4: Simplify right side
    123,487,287.07x = 13,281,590,003,996,004
  5. Step 5: Solve for x
    x = 13,281,590,003,996,004/123,487,287.07
  6. Step 6: Final answer
    x = 107,554,310.40

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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.