Home / 99,598,793.60-149,315,246.40-42,135,190.40

Finding the Fourth Proportional to 99,598,793.60, 149,315,246.40 and 42,135,190.40

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Solution

The fourth proportional to 99,598,793.60, 149,315,246.40 and 42,135,190.40 is: 63,167,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,598,793.60 : 149,315,246.40 = 42,135,190.40 : x
  2. Step 2: Convert to fraction form
    99,598,793.60/149,315,246.40 = 42,135,190.40/x
  3. Step 3: Cross multiply
    99,598,793.60x = 149,315,246.40 × 42,135,190.40
  4. Step 4: Simplify right side
    99,598,793.60x = 6,291,426,336,686,915
  5. Step 5: Solve for x
    x = 6,291,426,336,686,915/99,598,793.60
  6. Step 6: Final answer
    x = 63,167,696.21

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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.