Home / 52,466,998.20-78,700,497.30-30,879,439.80

Finding the Fourth Proportional to 52,466,998.20, 78,700,497.30 and 30,879,439.80

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Solution

The fourth proportional to 52,466,998.20, 78,700,497.30 and 30,879,439.80 is: 46,319,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,466,998.20 : 78,700,497.30 = 30,879,439.80 : x
  2. Step 2: Convert to fraction form
    52,466,998.20/78,700,497.30 = 30,879,439.80/x
  3. Step 3: Cross multiply
    52,466,998.20x = 78,700,497.30 × 30,879,439.80
  4. Step 4: Simplify right side
    52,466,998.20x = 2,430,227,268,605,412.50
  5. Step 5: Solve for x
    x = 2,430,227,268,605,412.50/52,466,998.20
  6. Step 6: Final answer
    x = 46,319,159.70

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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.