Home / 165,117,302.20-247,675,953.30-74,418,038.20

Finding the Fourth Proportional to 165,117,302.20, 247,675,953.30 and 74,418,038.20

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Solution

The fourth proportional to 165,117,302.20, 247,675,953.30 and 74,418,038.20 is: 111,627,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,117,302.20 : 247,675,953.30 = 74,418,038.20 : x
  2. Step 2: Convert to fraction form
    165,117,302.20/247,675,953.30 = 74,418,038.20/x
  3. Step 3: Cross multiply
    165,117,302.20x = 247,675,953.30 × 74,418,038.20
  4. Step 4: Simplify right side
    165,117,302.20x = 18,431,558,553,900,816
  5. Step 5: Solve for x
    x = 18,431,558,553,900,816/165,117,302.20
  6. Step 6: Final answer
    x = 111,627,057.30

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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.