Home / 191,738,278.10-287,607,417.15-159,851,818.10

Finding the Fourth Proportional to 191,738,278.10, 287,607,417.15 and 159,851,818.10

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Solution

The fourth proportional to 191,738,278.10, 287,607,417.15 and 159,851,818.10 is: 239,777,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,738,278.10 : 287,607,417.15 = 159,851,818.10 : x
  2. Step 2: Convert to fraction form
    191,738,278.10/287,607,417.15 = 159,851,818.10/x
  3. Step 3: Cross multiply
    191,738,278.10x = 287,607,417.15 × 159,851,818.10
  4. Step 4: Simplify right side
    191,738,278.10x = 45,974,568,530,472,616
  5. Step 5: Solve for x
    x = 45,974,568,530,472,616/191,738,278.10
  6. Step 6: Final answer
    x = 239,777,727.15

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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.