Home / 80,525,318.64-111,126,218.08-45,717,298.80

Finding the Fourth Proportional to 80,525,318.64, 111,126,218.08 and 45,717,298.80

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Solution

The fourth proportional to 80,525,318.64, 111,126,218.08 and 45,717,298.80 is: 63,090,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,525,318.64 : 111,126,218.08 = 45,717,298.80 : x
  2. Step 2: Convert to fraction form
    80,525,318.64/111,126,218.08 = 45,717,298.80/x
  3. Step 3: Cross multiply
    80,525,318.64x = 111,126,218.08 × 45,717,298.80
  4. Step 4: Simplify right side
    80,525,318.64x = 5,080,390,516,477,322
  5. Step 5: Solve for x
    x = 5,080,390,516,477,322/80,525,318.64
  6. Step 6: Final answer
    x = 63,090,598.12

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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.