Home / 46,241,851.20-69,402,098.40-20,722,132.80

Finding the Fourth Proportional to 46,241,851.20, 69,402,098.40 and 20,722,132.80

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Solution

The fourth proportional to 46,241,851.20, 69,402,098.40 and 20,722,132.80 is: 31,100,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,241,851.20 : 69,402,098.40 = 20,722,132.80 : x
  2. Step 2: Convert to fraction form
    46,241,851.20/69,402,098.40 = 20,722,132.80/x
  3. Step 3: Cross multiply
    46,241,851.20x = 69,402,098.40 × 20,722,132.80
  4. Step 4: Simplify right side
    46,241,851.20x = 1,438,159,499,643,467.75
  5. Step 5: Solve for x
    x = 1,438,159,499,643,467.75/46,241,851.20
  6. Step 6: Final answer
    x = 31,100,820.19

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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.