Home / 53,413,862.40-80,120,793.60-49,830,681.60

Finding the Fourth Proportional to 53,413,862.40, 80,120,793.60 and 49,830,681.60

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Solution

The fourth proportional to 53,413,862.40, 80,120,793.60 and 49,830,681.60 is: 74,746,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,413,862.40 : 80,120,793.60 = 49,830,681.60 : x
  2. Step 2: Convert to fraction form
    53,413,862.40/80,120,793.60 = 49,830,681.60/x
  3. Step 3: Cross multiply
    53,413,862.40x = 80,120,793.60 × 49,830,681.60
  4. Step 4: Simplify right side
    53,413,862.40x = 3,992,473,755,420,917.50
  5. Step 5: Solve for x
    x = 3,992,473,755,420,917.50/53,413,862.40
  6. Step 6: Final answer
    x = 74,746,022.40

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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.