Home / 49,883,300.40-74,849,833.80-28,334,449.20

Finding the Fourth Proportional to 49,883,300.40, 74,849,833.80 and 28,334,449.20

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Solution

The fourth proportional to 49,883,300.40, 74,849,833.80 and 28,334,449.20 is: 42,515,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,883,300.40 : 74,849,833.80 = 28,334,449.20 : x
  2. Step 2: Convert to fraction form
    49,883,300.40/74,849,833.80 = 28,334,449.20/x
  3. Step 3: Cross multiply
    49,883,300.40x = 74,849,833.80 × 28,334,449.20
  4. Step 4: Simplify right side
    49,883,300.40x = 2,120,828,813,434,542.75
  5. Step 5: Solve for x
    x = 2,120,828,813,434,542.75/49,883,300.40
  6. Step 6: Final answer
    x = 42,515,807.82

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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.