Home / 96,720,076.80-145,046,246.40-28,544,716.80

Finding the Fourth Proportional to 96,720,076.80, 145,046,246.40 and 28,544,716.80

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Solution

The fourth proportional to 96,720,076.80, 145,046,246.40 and 28,544,716.80 is: 42,807,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,720,076.80 : 145,046,246.40 = 28,544,716.80 : x
  2. Step 2: Convert to fraction form
    96,720,076.80/145,046,246.40 = 28,544,716.80/x
  3. Step 3: Cross multiply
    96,720,076.80x = 145,046,246.40 × 28,544,716.80
  4. Step 4: Simplify right side
    96,720,076.80x = 4,140,304,026,391,020
  5. Step 5: Solve for x
    x = 4,140,304,026,391,020/96,720,076.80
  6. Step 6: Final answer
    x = 42,807,079.60

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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.