Home / 50,160,143.60-75,240,215.40-42,507,393.20

Finding the Fourth Proportional to 50,160,143.60, 75,240,215.40 and 42,507,393.20

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Solution

The fourth proportional to 50,160,143.60, 75,240,215.40 and 42,507,393.20 is: 63,761,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,160,143.60 : 75,240,215.40 = 42,507,393.20 : x
  2. Step 2: Convert to fraction form
    50,160,143.60/75,240,215.40 = 42,507,393.20/x
  3. Step 3: Cross multiply
    50,160,143.60x = 75,240,215.40 × 42,507,393.20
  4. Step 4: Simplify right side
    50,160,143.60x = 3,198,265,420,460,496
  5. Step 5: Solve for x
    x = 3,198,265,420,460,496/50,160,143.60
  6. Step 6: Final answer
    x = 63,761,089.80

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1.5x scale

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.