Home / 118,431,023.40-177,646,535.10-89,733,209.40

Finding the Fourth Proportional to 118,431,023.40, 177,646,535.10 and 89,733,209.40

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Solution

The fourth proportional to 118,431,023.40, 177,646,535.10 and 89,733,209.40 is: 134,599,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,431,023.40 : 177,646,535.10 = 89,733,209.40 : x
  2. Step 2: Convert to fraction form
    118,431,023.40/177,646,535.10 = 89,733,209.40/x
  3. Step 3: Cross multiply
    118,431,023.40x = 177,646,535.10 × 89,733,209.40
  4. Step 4: Simplify right side
    118,431,023.40x = 15,940,793,733,312,750
  5. Step 5: Solve for x
    x = 15,940,793,733,312,750/118,431,023.40
  6. Step 6: Final answer
    x = 134,599,814.10

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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.