Home / 42,348,004.80-63,522,007.20-38,442,897.60

Finding the Fourth Proportional to 42,348,004.80, 63,522,007.20 and 38,442,897.60

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Solution

The fourth proportional to 42,348,004.80, 63,522,007.20 and 38,442,897.60 is: 57,664,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,348,004.80 : 63,522,007.20 = 38,442,897.60 : x
  2. Step 2: Convert to fraction form
    42,348,004.80/63,522,007.20 = 38,442,897.60/x
  3. Step 3: Cross multiply
    42,348,004.80x = 63,522,007.20 × 38,442,897.60
  4. Step 4: Simplify right side
    42,348,004.80x = 2,441,970,018,136,063
  5. Step 5: Solve for x
    x = 2,441,970,018,136,063/42,348,004.80
  6. Step 6: Final answer
    x = 57,664,346.40

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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.