Home / 161,174,285.15-222,418,385.87-89,646,684.35

Finding the Fourth Proportional to 161,174,285.15, 222,418,385.87 and 89,646,684.35

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Solution

The fourth proportional to 161,174,285.15, 222,418,385.87 and 89,646,684.35 is: 123,711,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,174,285.15 : 222,418,385.87 = 89,646,684.35 : x
  2. Step 2: Convert to fraction form
    161,174,285.15/222,418,385.87 = 89,646,684.35/x
  3. Step 3: Cross multiply
    161,174,285.15x = 222,418,385.87 × 89,646,684.35
  4. Step 4: Simplify right side
    161,174,285.15x = 19,939,070,830,164,064
  5. Step 5: Solve for x
    x = 19,939,070,830,164,064/161,174,285.15
  6. Step 6: Final answer
    x = 123,711,240.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.