Home / 43,829,343.80-65,744,015.70-42,569,631.80

Finding the Fourth Proportional to 43,829,343.80, 65,744,015.70 and 42,569,631.80

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Solution

The fourth proportional to 43,829,343.80, 65,744,015.70 and 42,569,631.80 is: 63,854,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,829,343.80 : 65,744,015.70 = 42,569,631.80 : x
  2. Step 2: Convert to fraction form
    43,829,343.80/65,744,015.70 = 42,569,631.80/x
  3. Step 3: Cross multiply
    43,829,343.80x = 65,744,015.70 × 42,569,631.80
  4. Step 4: Simplify right side
    43,829,343.80x = 2,798,698,541,402,419
  5. Step 5: Solve for x
    x = 2,798,698,541,402,419/43,829,343.80
  6. Step 6: Final answer
    x = 63,854,447.70

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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.