Home / 42,720,416.48-58,952,956.78-25,079,035.36

Finding the Fourth Proportional to 42,720,416.48, 58,952,956.78 and 25,079,035.36

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Solution

The fourth proportional to 42,720,416.48, 58,952,956.78 and 25,079,035.36 is: 34,608,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,720,416.48 : 58,952,956.78 = 25,079,035.36 : x
  2. Step 2: Convert to fraction form
    42,720,416.48/58,952,956.78 = 25,079,035.36/x
  3. Step 3: Cross multiply
    42,720,416.48x = 58,952,956.78 × 25,079,035.36
  4. Step 4: Simplify right side
    42,720,416.48x = 1,478,483,287,367,407
  5. Step 5: Solve for x
    x = 1,478,483,287,367,407/42,720,416.48
  6. Step 6: Final answer
    x = 34,608,353.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.