Home / 74,864,229.60-112,333,669.20-42,540,952.80

Finding the Fourth Proportional to 74,864,229.60, 112,333,669.20 and 42,540,952.80

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Solution

The fourth proportional to 74,864,229.60, 112,333,669.20 and 42,540,952.80 is: 63,832,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,864,229.60 : 112,333,669.20 = 42,540,952.80 : x
  2. Step 2: Convert to fraction form
    74,864,229.60/112,333,669.20 = 42,540,952.80/x
  3. Step 3: Cross multiply
    74,864,229.60x = 112,333,669.20 × 42,540,952.80
  4. Step 4: Simplify right side
    74,864,229.60x = 4,778,781,319,288,014
  5. Step 5: Solve for x
    x = 4,778,781,319,288,014/74,864,229.60
  6. Step 6: Final answer
    x = 63,832,638.70

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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.