Home / 43,454,803.10-65,190,077.85-21,834,995.90

Finding the Fourth Proportional to 43,454,803.10, 65,190,077.85 and 21,834,995.90

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Solution

The fourth proportional to 43,454,803.10, 65,190,077.85 and 21,834,995.90 is: 32,756,449.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,454,803.10 : 65,190,077.85 = 21,834,995.90 : x
  2. Step 2: Convert to fraction form
    43,454,803.10/65,190,077.85 = 21,834,995.90/x
  3. Step 3: Cross multiply
    43,454,803.10x = 65,190,077.85 × 21,834,995.90
  4. Step 4: Simplify right side
    43,454,803.10x = 1,423,425,082,575,430.75
  5. Step 5: Solve for x
    x = 1,423,425,082,575,430.75/43,454,803.10
  6. Step 6: Final answer
    x = 32,756,449.94

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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.