Home / 118,206,054.80-177,309,082.20-72,620,032.40

Finding the Fourth Proportional to 118,206,054.80, 177,309,082.20 and 72,620,032.40

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Solution

The fourth proportional to 118,206,054.80, 177,309,082.20 and 72,620,032.40 is: 108,930,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,206,054.80 : 177,309,082.20 = 72,620,032.40 : x
  2. Step 2: Convert to fraction form
    118,206,054.80/177,309,082.20 = 72,620,032.40/x
  3. Step 3: Cross multiply
    118,206,054.80x = 177,309,082.20 × 72,620,032.40
  4. Step 4: Simplify right side
    118,206,054.80x = 12,876,191,294,178,264
  5. Step 5: Solve for x
    x = 12,876,191,294,178,264/118,206,054.80
  6. Step 6: Final answer
    x = 108,930,048.60

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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.