Home / 157,464,854.55-236,197,281.83-145,985,728.95

Finding the Fourth Proportional to 157,464,854.55, 236,197,281.83 and 145,985,728.95

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Solution

The fourth proportional to 157,464,854.55, 236,197,281.83 and 145,985,728.95 is: 218,978,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,854.55 : 236,197,281.83 = 145,985,728.95 : x
  2. Step 2: Convert to fraction form
    157,464,854.55/236,197,281.83 = 145,985,728.95/x
  3. Step 3: Cross multiply
    157,464,854.55x = 236,197,281.83 × 145,985,728.95
  4. Step 4: Simplify right side
    157,464,854.55x = 34,481,432,363,231,208
  5. Step 5: Solve for x
    x = 34,481,432,363,231,208/157,464,854.55
  6. Step 6: Final answer
    x = 218,978,593.43

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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.