Home / 43,719,859.40-65,579,789.10-42,460,147.40

Finding the Fourth Proportional to 43,719,859.40, 65,579,789.10 and 42,460,147.40

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Solution

The fourth proportional to 43,719,859.40, 65,579,789.10 and 42,460,147.40 is: 63,690,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,719,859.40 : 65,579,789.10 = 42,460,147.40 : x
  2. Step 2: Convert to fraction form
    43,719,859.40/65,579,789.10 = 42,460,147.40/x
  3. Step 3: Cross multiply
    43,719,859.40x = 65,579,789.10 × 42,460,147.40
  4. Step 4: Simplify right side
    43,719,859.40x = 2,784,527,511,646,913.50
  5. Step 5: Solve for x
    x = 2,784,527,511,646,913.50/43,719,859.40
  6. Step 6: Final answer
    x = 63,690,221.10

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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.