Home / 120,310,663.17-180,155,191.28-83,034,302.25

Finding the Fourth Proportional to 120,310,663.17, 180,155,191.28 and 83,034,302.25

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Solution

The fourth proportional to 120,310,663.17, 180,155,191.28 and 83,034,302.25 is: 124,336,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,310,663.17 : 180,155,191.28 = 83,034,302.25 : x
  2. Step 2: Convert to fraction form
    120,310,663.17/180,155,191.28 = 83,034,302.25/x
  3. Step 3: Cross multiply
    120,310,663.17x = 180,155,191.28 × 83,034,302.25
  4. Step 4: Simplify right side
    120,310,663.17x = 14,959,060,604,234,914
  5. Step 5: Solve for x
    x = 14,959,060,604,234,914/120,310,663.17
  6. Step 6: Final answer
    x = 124,336,947.45

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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.