Home / 77,352,642.26-106,748,665.80-42,546,246.11

Finding the Fourth Proportional to 77,352,642.26, 106,748,665.80 and 42,546,246.11

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Solution

The fourth proportional to 77,352,642.26, 106,748,665.80 and 42,546,246.11 is: 58,714,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,352,642.26 : 106,748,665.80 = 42,546,246.11 : x
  2. Step 2: Convert to fraction form
    77,352,642.26/106,748,665.80 = 42,546,246.11/x
  3. Step 3: Cross multiply
    77,352,642.26x = 106,748,665.80 × 42,546,246.11
  4. Step 4: Simplify right side
    77,352,642.26x = 4,541,755,007,307,811
  5. Step 5: Solve for x
    x = 4,541,755,007,307,811/77,352,642.26
  6. Step 6: Final answer
    x = 58,714,930.41

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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.