Home / 65,355,005.40-98,032,508.10-60,428,131.80

Finding the Fourth Proportional to 65,355,005.40, 98,032,508.10 and 60,428,131.80

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Solution

The fourth proportional to 65,355,005.40, 98,032,508.10 and 60,428,131.80 is: 90,642,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,355,005.40 : 98,032,508.10 = 60,428,131.80 : x
  2. Step 2: Convert to fraction form
    65,355,005.40/98,032,508.10 = 60,428,131.80/x
  3. Step 3: Cross multiply
    65,355,005.40x = 98,032,508.10 × 60,428,131.80
  4. Step 4: Simplify right side
    65,355,005.40x = 5,923,921,320,151,367
  5. Step 5: Solve for x
    x = 5,923,921,320,151,367/65,355,005.40
  6. Step 6: Final answer
    x = 90,642,197.70

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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.