Home / 88,314,229.56-121,852,789.10-74,238,929.93

Finding the Fourth Proportional to 88,314,229.56, 121,852,789.10 and 74,238,929.93

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Solution

The fourth proportional to 88,314,229.56, 121,852,789.10 and 74,238,929.93 is: 102,432,198.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,314,229.56 : 121,852,789.10 = 74,238,929.93 : x
  2. Step 2: Convert to fraction form
    88,314,229.56/121,852,789.10 = 74,238,929.93/x
  3. Step 3: Cross multiply
    88,314,229.56x = 121,852,789.10 × 74,238,929.93
  4. Step 4: Simplify right side
    88,314,229.56x = 9,046,220,671,769,968
  5. Step 5: Solve for x
    x = 9,046,220,671,769,968/88,314,229.56
  6. Step 6: Final answer
    x = 102,432,198.26

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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.