Home / 91,902,242.48-126,843,914.12-54,754,284.24

Finding the Fourth Proportional to 91,902,242.48, 126,843,914.12 and 54,754,284.24

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Solution

The fourth proportional to 91,902,242.48, 126,843,914.12 and 54,754,284.24 is: 75,572,124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,902,242.48 : 126,843,914.12 = 54,754,284.24 : x
  2. Step 2: Convert to fraction form
    91,902,242.48/126,843,914.12 = 54,754,284.24/x
  3. Step 3: Cross multiply
    91,902,242.48x = 126,843,914.12 × 54,754,284.24
  4. Step 4: Simplify right side
    91,902,242.48x = 6,945,247,727,840,630
  5. Step 5: Solve for x
    x = 6,945,247,727,840,630/91,902,242.48
  6. Step 6: Final answer
    x = 75,572,124.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.