Home / 78,512,792.08-108,340,055.40-57,897,337.36

Finding the Fourth Proportional to 78,512,792.08, 108,340,055.40 and 57,897,337.36

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Solution

The fourth proportional to 78,512,792.08, 108,340,055.40 and 57,897,337.36 is: 79,892,722.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,512,792.08 : 108,340,055.40 = 57,897,337.36 : x
  2. Step 2: Convert to fraction form
    78,512,792.08/108,340,055.40 = 57,897,337.36/x
  3. Step 3: Cross multiply
    78,512,792.08x = 108,340,055.40 × 57,897,337.36
  4. Step 4: Simplify right side
    78,512,792.08x = 6,272,600,737,094,890
  5. Step 5: Solve for x
    x = 6,272,600,737,094,890/78,512,792.08
  6. Step 6: Final answer
    x = 79,892,722.84

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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.