Home / 99,650,015.70-149,475,023.55-83,525,702.10

Finding the Fourth Proportional to 99,650,015.70, 149,475,023.55 and 83,525,702.10

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Solution

The fourth proportional to 99,650,015.70, 149,475,023.55 and 83,525,702.10 is: 125,288,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,650,015.70 : 149,475,023.55 = 83,525,702.10 : x
  2. Step 2: Convert to fraction form
    99,650,015.70/149,475,023.55 = 83,525,702.10/x
  3. Step 3: Cross multiply
    99,650,015.70x = 149,475,023.55 × 83,525,702.10
  4. Step 4: Simplify right side
    99,650,015.70x = 12,485,006,288,427,784
  5. Step 5: Solve for x
    x = 12,485,006,288,427,784/99,650,015.70
  6. Step 6: Final answer
    x = 125,288,553.15

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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.