Home / 65,190,672.40-97,786,008.60-54,668,140.60

Finding the Fourth Proportional to 65,190,672.40, 97,786,008.60 and 54,668,140.60

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Solution

The fourth proportional to 65,190,672.40, 97,786,008.60 and 54,668,140.60 is: 82,002,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,672.40 : 97,786,008.60 = 54,668,140.60 : x
  2. Step 2: Convert to fraction form
    65,190,672.40/97,786,008.60 = 54,668,140.60/x
  3. Step 3: Cross multiply
    65,190,672.40x = 97,786,008.60 × 54,668,140.60
  4. Step 4: Simplify right side
    65,190,672.40x = 5,345,779,266,857,609
  5. Step 5: Solve for x
    x = 5,345,779,266,857,609/65,190,672.40
  6. Step 6: Final answer
    x = 82,002,210.90

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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.