Home / 126,176,446.10-189,190,019.55-65,710,270.10

Finding the Fourth Proportional to 126,176,446.10, 189,190,019.55 and 65,710,270.10

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Solution

The fourth proportional to 126,176,446.10, 189,190,019.55 and 65,710,270.10 is: 98,526,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,176,446.10 : 189,190,019.55 = 65,710,270.10 : x
  2. Step 2: Convert to fraction form
    126,176,446.10/189,190,019.55 = 65,710,270.10/x
  3. Step 3: Cross multiply
    126,176,446.10x = 189,190,019.55 × 65,710,270.10
  4. Step 4: Simplify right side
    126,176,446.10x = 12,431,727,284,854,782
  5. Step 5: Solve for x
    x = 12,431,727,284,854,782/126,176,446.10
  6. Step 6: Final answer
    x = 98,526,529.07

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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.