Home / 99,381,947.66-149,072,959.36-99,238,336.34

Finding the Fourth Proportional to 99,381,947.66, 149,072,959.36 and 99,238,336.34

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Solution

The fourth proportional to 99,381,947.66, 149,072,959.36 and 99,238,336.34 is: 148,857,542.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,381,947.66 : 149,072,959.36 = 99,238,336.34 : x
  2. Step 2: Convert to fraction form
    99,381,947.66/149,072,959.36 = 99,238,336.34/x
  3. Step 3: Cross multiply
    99,381,947.66x = 149,072,959.36 × 99,238,336.34
  4. Step 4: Simplify right side
    99,381,947.66x = 14,793,752,479,421,466
  5. Step 5: Solve for x
    x = 14,793,752,479,421,466/99,381,947.66
  6. Step 6: Final answer
    x = 148,857,542.32

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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.