Home / 84,532,177.80-126,798,266.70-30,672,491.40

Finding the Fourth Proportional to 84,532,177.80, 126,798,266.70 and 30,672,491.40

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Solution

The fourth proportional to 84,532,177.80, 126,798,266.70 and 30,672,491.40 is: 46,008,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,532,177.80 : 126,798,266.70 = 30,672,491.40 : x
  2. Step 2: Convert to fraction form
    84,532,177.80/126,798,266.70 = 30,672,491.40/x
  3. Step 3: Cross multiply
    84,532,177.80x = 126,798,266.70 × 30,672,491.40
  4. Step 4: Simplify right side
    84,532,177.80x = 3,889,218,744,890,656.50
  5. Step 5: Solve for x
    x = 3,889,218,744,890,656.50/84,532,177.80
  6. Step 6: Final answer
    x = 46,008,737.10

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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.