Home / 65,190,671.40-97,786,007.10-54,668,139.60

Finding the Fourth Proportional to 65,190,671.40, 97,786,007.10 and 54,668,139.60

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Solution

The fourth proportional to 65,190,671.40, 97,786,007.10 and 54,668,139.60 is: 82,002,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,671.40 : 97,786,007.10 = 54,668,139.60 : x
  2. Step 2: Convert to fraction form
    65,190,671.40/97,786,007.10 = 54,668,139.60/x
  3. Step 3: Cross multiply
    65,190,671.40x = 97,786,007.10 × 54,668,139.60
  4. Step 4: Simplify right side
    65,190,671.40x = 5,345,779,087,069,391
  5. Step 5: Solve for x
    x = 5,345,779,087,069,391/65,190,671.40
  6. Step 6: Final answer
    x = 82,002,209.40

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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.