Home / 106,292,563.20-159,438,844.80-80,594,438.40

Finding the Fourth Proportional to 106,292,563.20, 159,438,844.80 and 80,594,438.40

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Solution

The fourth proportional to 106,292,563.20, 159,438,844.80 and 80,594,438.40 is: 120,891,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,292,563.20 : 159,438,844.80 = 80,594,438.40 : x
  2. Step 2: Convert to fraction form
    106,292,563.20/159,438,844.80 = 80,594,438.40/x
  3. Step 3: Cross multiply
    106,292,563.20x = 159,438,844.80 × 80,594,438.40
  4. Step 4: Simplify right side
    106,292,563.20x = 12,849,884,155,800,762
  5. Step 5: Solve for x
    x = 12,849,884,155,800,762/106,292,563.20
  6. Step 6: Final answer
    x = 120,891,657.60

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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.