Home / 91,534,579.20-137,301,868.80-48,387,110.40

Finding the Fourth Proportional to 91,534,579.20, 137,301,868.80 and 48,387,110.40

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Solution

The fourth proportional to 91,534,579.20, 137,301,868.80 and 48,387,110.40 is: 72,580,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,534,579.20 : 137,301,868.80 = 48,387,110.40 : x
  2. Step 2: Convert to fraction form
    91,534,579.20/137,301,868.80 = 48,387,110.40/x
  3. Step 3: Cross multiply
    91,534,579.20x = 137,301,868.80 × 48,387,110.40
  4. Step 4: Simplify right side
    91,534,579.20x = 6,643,640,683,751,916
  5. Step 5: Solve for x
    x = 6,643,640,683,751,916/91,534,579.20
  6. Step 6: Final answer
    x = 72,580,665.60

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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.