Home / 88,037,112.90-132,079,288.95-78,518,414.10

Finding the Fourth Proportional to 88,037,112.90, 132,079,288.95 and 78,518,414.10

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Solution

The fourth proportional to 88,037,112.90, 132,079,288.95 and 78,518,414.10 is: 117,798,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,037,112.90 : 132,079,288.95 = 78,518,414.10 : x
  2. Step 2: Convert to fraction form
    88,037,112.90/132,079,288.95 = 78,518,414.10/x
  3. Step 3: Cross multiply
    88,037,112.90x = 132,079,288.95 × 78,518,414.10
  4. Step 4: Simplify right side
    88,037,112.90x = 10,370,656,303,809,654
  5. Step 5: Solve for x
    x = 10,370,656,303,809,654/88,037,112.90
  6. Step 6: Final answer
    x = 117,798,686.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.