Home / 67,379,031.84-101,068,565.76-18,864,032.16

Finding the Fourth Proportional to 67,379,031.84, 101,068,565.76 and 18,864,032.16

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Solution

The fourth proportional to 67,379,031.84, 101,068,565.76 and 18,864,032.16 is: 28,296,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,379,031.84 : 101,068,565.76 = 18,864,032.16 : x
  2. Step 2: Convert to fraction form
    67,379,031.84/101,068,565.76 = 18,864,032.16/x
  3. Step 3: Cross multiply
    67,379,031.84x = 101,068,565.76 × 18,864,032.16
  4. Step 4: Simplify right side
    67,379,031.84x = 1,906,560,674,861,715
  5. Step 5: Solve for x
    x = 1,906,560,674,861,715/67,379,031.84
  6. Step 6: Final answer
    x = 28,296,053.28

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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.