Home / 118,119,884.80-177,179,827.20-72,533,862.40

Finding the Fourth Proportional to 118,119,884.80, 177,179,827.20 and 72,533,862.40

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Solution

The fourth proportional to 118,119,884.80, 177,179,827.20 and 72,533,862.40 is: 108,800,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,119,884.80 : 177,179,827.20 = 72,533,862.40 : x
  2. Step 2: Convert to fraction form
    118,119,884.80/177,179,827.20 = 72,533,862.40/x
  3. Step 3: Cross multiply
    118,119,884.80x = 177,179,827.20 × 72,533,862.40
  4. Step 4: Simplify right side
    118,119,884.80x = 12,851,537,206,180,578
  5. Step 5: Solve for x
    x = 12,851,537,206,180,578/118,119,884.80
  6. Step 6: Final answer
    x = 108,800,793.60

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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.