Home / 57,149,048.13-78,866,274.29-31,044,083.01

Finding the Fourth Proportional to 57,149,048.13, 78,866,274.29 and 31,044,083.01

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Solution

The fourth proportional to 57,149,048.13, 78,866,274.29 and 31,044,083.01 is: 42,841,153.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,149,048.13 : 78,866,274.29 = 31,044,083.01 : x
  2. Step 2: Convert to fraction form
    57,149,048.13/78,866,274.29 = 31,044,083.01/x
  3. Step 3: Cross multiply
    57,149,048.13x = 78,866,274.29 × 31,044,083.01
  4. Step 4: Simplify right side
    57,149,048.13x = 2,448,331,165,592,968.50
  5. Step 5: Solve for x
    x = 2,448,331,165,592,968.50/57,149,048.13
  6. Step 6: Final answer
    x = 42,841,153.89

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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.