Home / 99,116,278.35-148,677,348.10-47,306,339.47

Finding the Fourth Proportional to 99,116,278.35, 148,677,348.10 and 47,306,339.47

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Solution

The fourth proportional to 99,116,278.35, 148,677,348.10 and 47,306,339.47 is: 70,960,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,116,278.35 : 148,677,348.10 = 47,306,339.47 : x
  2. Step 2: Convert to fraction form
    99,116,278.35/148,677,348.10 = 47,306,339.47/x
  3. Step 3: Cross multiply
    99,116,278.35x = 148,677,348.10 × 47,306,339.47
  4. Step 4: Simplify right side
    99,116,278.35x = 7,033,381,100,717,959
  5. Step 5: Solve for x
    x = 7,033,381,100,717,959/99,116,278.35
  6. Step 6: Final answer
    x = 70,960,907.91

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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.