Home / 99,402,732.24-137,187,802.38-57,031,805.22

Finding the Fourth Proportional to 99,402,732.24, 137,187,802.38 and 57,031,805.22

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Solution

The fourth proportional to 99,402,732.24, 137,187,802.38 and 57,031,805.22 is: 78,710,794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,402,732.24 : 137,187,802.38 = 57,031,805.22 : x
  2. Step 2: Convert to fraction form
    99,402,732.24/137,187,802.38 = 57,031,805.22/x
  3. Step 3: Cross multiply
    99,402,732.24x = 137,187,802.38 × 57,031,805.22
  4. Step 4: Simplify right side
    99,402,732.24x = 7,824,068,023,896,012
  5. Step 5: Solve for x
    x = 7,824,068,023,896,012/99,402,732.24
  6. Step 6: Final answer
    x = 78,710,794.44

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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.