Home / 52,628,565.12-78,788,910.16-30,701,900

Finding the Fourth Proportional to 52,628,565.12, 78,788,910.16 and 30,701,900

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Solution

The fourth proportional to 52,628,565.12, 78,788,910.16 and 30,701,900 is: 45,963,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,628,565.12 : 78,788,910.16 = 30,701,900 : x
  2. Step 2: Convert to fraction form
    52,628,565.12/78,788,910.16 = 30,701,900/x
  3. Step 3: Cross multiply
    52,628,565.12x = 78,788,910.16 × 30,701,900
  4. Step 4: Simplify right side
    52,628,565.12x = 2,418,969,240,841,304
  5. Step 5: Solve for x
    x = 2,418,969,240,841,304/52,628,565.12
  6. Step 6: Final answer
    x = 45,963,047.55

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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.