Home / 49,223,341.80-67,929,891.30-30,898,731.24

Finding the Fourth Proportional to 49,223,341.80, 67,929,891.30 and 30,898,731.24

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Solution

The fourth proportional to 49,223,341.80, 67,929,891.30 and 30,898,731.24 is: 42,641,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,223,341.80 : 67,929,891.30 = 30,898,731.24 : x
  2. Step 2: Convert to fraction form
    49,223,341.80/67,929,891.30 = 30,898,731.24/x
  3. Step 3: Cross multiply
    49,223,341.80x = 67,929,891.30 × 30,898,731.24
  4. Step 4: Simplify right side
    49,223,341.80x = 2,098,947,454,441,114
  5. Step 5: Solve for x
    x = 2,098,947,454,441,114/49,223,341.80
  6. Step 6: Final answer
    x = 42,641,303.45

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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.