Home / 157,464,446.40-236,196,669.60-138,332,570.40

Finding the Fourth Proportional to 157,464,446.40, 236,196,669.60 and 138,332,570.40

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Solution

The fourth proportional to 157,464,446.40, 236,196,669.60 and 138,332,570.40 is: 207,498,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,446.40 : 236,196,669.60 = 138,332,570.40 : x
  2. Step 2: Convert to fraction form
    157,464,446.40/236,196,669.60 = 138,332,570.40/x
  3. Step 3: Cross multiply
    157,464,446.40x = 236,196,669.60 × 138,332,570.40
  4. Step 4: Simplify right side
    157,464,446.40x = 32,673,692,425,687,540
  5. Step 5: Solve for x
    x = 32,673,692,425,687,540/157,464,446.40
  6. Step 6: Final answer
    x = 207,498,855.60

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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.