Home / 43,145,109.10-64,717,663.65-12,439,629.10

Finding the Fourth Proportional to 43,145,109.10, 64,717,663.65 and 12,439,629.10

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Solution

The fourth proportional to 43,145,109.10, 64,717,663.65 and 12,439,629.10 is: 18,659,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,145,109.10 : 64,717,663.65 = 12,439,629.10 : x
  2. Step 2: Convert to fraction form
    43,145,109.10/64,717,663.65 = 12,439,629.10/x
  3. Step 3: Cross multiply
    43,145,109.10x = 64,717,663.65 × 12,439,629.10
  4. Step 4: Simplify right side
    43,145,109.10x = 805,063,732,024,552.12
  5. Step 5: Solve for x
    x = 805,063,732,024,552.12/43,145,109.10
  6. Step 6: Final answer
    x = 18,659,443.65

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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.