Home / 49,762,568.40-74,643,852.60-28,239,207.90

Finding the Fourth Proportional to 49,762,568.40, 74,643,852.60 and 28,239,207.90

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Solution

The fourth proportional to 49,762,568.40, 74,643,852.60 and 28,239,207.90 is: 42,358,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,762,568.40 : 74,643,852.60 = 28,239,207.90 : x
  2. Step 2: Convert to fraction form
    49,762,568.40/74,643,852.60 = 28,239,207.90/x
  3. Step 3: Cross multiply
    49,762,568.40x = 74,643,852.60 × 28,239,207.90
  4. Step 4: Simplify right side
    49,762,568.40x = 2,107,883,272,028,355.25
  5. Step 5: Solve for x
    x = 2,107,883,272,028,355.25/49,762,568.40
  6. Step 6: Final answer
    x = 42,358,811.85

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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.