Home / 84,207,944.64-126,181,720.38-65,720,053.46

Finding the Fourth Proportional to 84,207,944.64, 126,181,720.38 and 65,720,053.46

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Solution

The fourth proportional to 84,207,944.64, 126,181,720.38 and 65,720,053.46 is: 98,478,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,207,944.64 : 126,181,720.38 = 65,720,053.46 : x
  2. Step 2: Convert to fraction form
    84,207,944.64/126,181,720.38 = 65,720,053.46/x
  3. Step 3: Cross multiply
    84,207,944.64x = 126,181,720.38 × 65,720,053.46
  4. Step 4: Simplify right side
    84,207,944.64x = 8,292,669,409,048,371
  5. Step 5: Solve for x
    x = 8,292,669,409,048,371/84,207,944.64
  6. Step 6: Final answer
    x = 98,478,468.33

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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.