Home / 59,103,011.20-88,654,516.80-20,807,766.40

Finding the Fourth Proportional to 59,103,011.20, 88,654,516.80 and 20,807,766.40

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Solution

The fourth proportional to 59,103,011.20, 88,654,516.80 and 20,807,766.40 is: 31,211,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,103,011.20 : 88,654,516.80 = 20,807,766.40 : x
  2. Step 2: Convert to fraction form
    59,103,011.20/88,654,516.80 = 20,807,766.40/x
  3. Step 3: Cross multiply
    59,103,011.20x = 88,654,516.80 × 20,807,766.40
  4. Step 4: Simplify right side
    59,103,011.20x = 1,844,702,475,879,275.25
  5. Step 5: Solve for x
    x = 1,844,702,475,879,275.25/59,103,011.20
  6. Step 6: Final answer
    x = 31,211,649.60

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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.