Home / 52,251,645.80-78,408,031.49-19,484,851.71

Finding the Fourth Proportional to 52,251,645.80, 78,408,031.49 and 19,484,851.71

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Solution

The fourth proportional to 52,251,645.80, 78,408,031.49 and 19,484,851.71 is: 29,238,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,251,645.80 : 78,408,031.49 = 19,484,851.71 : x
  2. Step 2: Convert to fraction form
    52,251,645.80/78,408,031.49 = 19,484,851.71/x
  3. Step 3: Cross multiply
    52,251,645.80x = 78,408,031.49 × 19,484,851.71
  4. Step 4: Simplify right side
    52,251,645.80x = 1,527,768,866,358,236.25
  5. Step 5: Solve for x
    x = 1,527,768,866,358,236.25/52,251,645.80
  6. Step 6: Final answer
    x = 29,238,674.55

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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.