Home / 43,482,939.60-65,232,282.60-21,863,132.40

Finding the Fourth Proportional to 43,482,939.60, 65,232,282.60 and 21,863,132.40

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Solution

The fourth proportional to 43,482,939.60, 65,232,282.60 and 21,863,132.40 is: 32,798,657.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,482,939.60 : 65,232,282.60 = 21,863,132.40 : x
  2. Step 2: Convert to fraction form
    43,482,939.60/65,232,282.60 = 21,863,132.40/x
  3. Step 3: Cross multiply
    43,482,939.60x = 65,232,282.60 × 21,863,132.40
  4. Step 4: Simplify right side
    43,482,939.60x = 1,426,182,031,238,016.25
  5. Step 5: Solve for x
    x = 1,426,182,031,238,016.25/43,482,939.60
  6. Step 6: Final answer
    x = 32,798,657.23

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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.