Home / 57,149,042.13-78,866,266.01-31,044,077.01

Finding the Fourth Proportional to 57,149,042.13, 78,866,266.01 and 31,044,077.01

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Solution

The fourth proportional to 57,149,042.13, 78,866,266.01 and 31,044,077.01 is: 42,841,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,149,042.13 : 78,866,266.01 = 31,044,077.01 : x
  2. Step 2: Convert to fraction form
    57,149,042.13/78,866,266.01 = 31,044,077.01/x
  3. Step 3: Cross multiply
    57,149,042.13x = 78,866,266.01 × 31,044,077.01
  4. Step 4: Simplify right side
    57,149,042.13x = 2,448,330,435,350,365
  5. Step 5: Solve for x
    x = 2,448,330,435,350,365/57,149,042.13
  6. Step 6: Final answer
    x = 42,841,145.61

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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.