Home / 99,591,402.60-149,362,220.70-38,167,223.40

Finding the Fourth Proportional to 99,591,402.60, 149,362,220.70 and 38,167,223.40

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Solution

The fourth proportional to 99,591,402.60, 149,362,220.70 and 38,167,223.40 is: 57,241,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,591,402.60 : 149,362,220.70 = 38,167,223.40 : x
  2. Step 2: Convert to fraction form
    99,591,402.60/149,362,220.70 = 38,167,223.40/x
  3. Step 3: Cross multiply
    99,591,402.60x = 149,362,220.70 × 38,167,223.40
  4. Step 4: Simplify right side
    99,591,402.60x = 5,700,741,244,977,004
  5. Step 5: Solve for x
    x = 5,700,741,244,977,004/99,591,402.60
  6. Step 6: Final answer
    x = 57,241,298.91

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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.