Home / 43,459,543.80-65,189,315.70-13,168,913.40

Finding the Fourth Proportional to 43,459,543.80, 65,189,315.70 and 13,168,913.40

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Solution

The fourth proportional to 43,459,543.80, 65,189,315.70 and 13,168,913.40 is: 19,753,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,459,543.80 : 65,189,315.70 = 13,168,913.40 : x
  2. Step 2: Convert to fraction form
    43,459,543.80/65,189,315.70 = 13,168,913.40/x
  3. Step 3: Cross multiply
    43,459,543.80x = 65,189,315.70 × 13,168,913.40
  4. Step 4: Simplify right side
    43,459,543.80x = 858,472,453,058,560.50
  5. Step 5: Solve for x
    x = 858,472,453,058,560.50/43,459,543.80
  6. Step 6: Final answer
    x = 19,753,370.10

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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.