Home / 66,312,021.40-99,468,032.10-60,572,458.60

Finding the Fourth Proportional to 66,312,021.40, 99,468,032.10 and 60,572,458.60

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Solution

The fourth proportional to 66,312,021.40, 99,468,032.10 and 60,572,458.60 is: 90,858,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,312,021.40 : 99,468,032.10 = 60,572,458.60 : x
  2. Step 2: Convert to fraction form
    66,312,021.40/99,468,032.10 = 60,572,458.60/x
  3. Step 3: Cross multiply
    66,312,021.40x = 99,468,032.10 × 60,572,458.60
  4. Step 4: Simplify right side
    66,312,021.40x = 6,025,023,256,400,721
  5. Step 5: Solve for x
    x = 6,025,023,256,400,721/66,312,021.40
  6. Step 6: Final answer
    x = 90,858,687.90

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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.