Home / 217,762,841.52-326,708,034.66-64,412,981.64

Finding the Fourth Proportional to 217,762,841.52, 326,708,034.66 and 64,412,981.64

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Solution

The fourth proportional to 217,762,841.52, 326,708,034.66 and 64,412,981.64 is: 96,638,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,762,841.52 : 326,708,034.66 = 64,412,981.64 : x
  2. Step 2: Convert to fraction form
    217,762,841.52/326,708,034.66 = 64,412,981.64/x
  3. Step 3: Cross multiply
    217,762,841.52x = 326,708,034.66 × 64,412,981.64
  4. Step 4: Simplify right side
    217,762,841.52x = 21,044,238,638,195,064
  5. Step 5: Solve for x
    x = 21,044,238,638,195,064/217,762,841.52
  6. Step 6: Final answer
    x = 96,638,335.96

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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.