Home / 66,408,959.70-99,613,439.55-52,972,031.70

Finding the Fourth Proportional to 66,408,959.70, 99,613,439.55 and 52,972,031.70

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Solution

The fourth proportional to 66,408,959.70, 99,613,439.55 and 52,972,031.70 is: 79,458,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,408,959.70 : 99,613,439.55 = 52,972,031.70 : x
  2. Step 2: Convert to fraction form
    66,408,959.70/99,613,439.55 = 52,972,031.70/x
  3. Step 3: Cross multiply
    66,408,959.70x = 99,613,439.55 × 52,972,031.70
  4. Step 4: Simplify right side
    66,408,959.70x = 5,276,726,277,588,634
  5. Step 5: Solve for x
    x = 5,276,726,277,588,634/66,408,959.70
  6. Step 6: Final answer
    x = 79,458,047.55

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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.