Home / 74,468,032.40-111,702,048.60-51,509,781.20

Finding the Fourth Proportional to 74,468,032.40, 111,702,048.60 and 51,509,781.20

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Solution

The fourth proportional to 74,468,032.40, 111,702,048.60 and 51,509,781.20 is: 77,264,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,468,032.40 : 111,702,048.60 = 51,509,781.20 : x
  2. Step 2: Convert to fraction form
    74,468,032.40/111,702,048.60 = 51,509,781.20/x
  3. Step 3: Cross multiply
    74,468,032.40x = 111,702,048.60 × 51,509,781.20
  4. Step 4: Simplify right side
    74,468,032.40x = 5,753,748,082,977,766
  5. Step 5: Solve for x
    x = 5,753,748,082,977,766/74,468,032.40
  6. Step 6: Final answer
    x = 77,264,671.80

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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.