Home / 49,329,853.39-68,069,221.51-28,428,740.15

Finding the Fourth Proportional to 49,329,853.39, 68,069,221.51 and 28,428,740.15

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Solution

The fourth proportional to 49,329,853.39, 68,069,221.51 and 28,428,740.15 is: 39,228,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,329,853.39 : 68,069,221.51 = 28,428,740.15 : x
  2. Step 2: Convert to fraction form
    49,329,853.39/68,069,221.51 = 28,428,740.15/x
  3. Step 3: Cross multiply
    49,329,853.39x = 68,069,221.51 × 28,428,740.15
  4. Step 4: Simplify right side
    49,329,853.39x = 1,935,122,210,545,430
  5. Step 5: Solve for x
    x = 1,935,122,210,545,430/49,329,853.39
  6. Step 6: Final answer
    x = 39,228,217.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.