Home / 72,077,723.78-108,128,366.30-23,541,486.98

Finding the Fourth Proportional to 72,077,723.78, 108,128,366.30 and 23,541,486.98

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Solution

The fourth proportional to 72,077,723.78, 108,128,366.30 and 23,541,486.98 is: 35,316,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,077,723.78 : 108,128,366.30 = 23,541,486.98 : x
  2. Step 2: Convert to fraction form
    72,077,723.78/108,128,366.30 = 23,541,486.98/x
  3. Step 3: Cross multiply
    72,077,723.78x = 108,128,366.30 × 23,541,486.98
  4. Step 4: Simplify right side
    72,077,723.78x = 2,545,502,526,938,332.50
  5. Step 5: Solve for x
    x = 2,545,502,526,938,332.50/72,077,723.78
  6. Step 6: Final answer
    x = 35,316,078.17

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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.