Home / 79,230,708.55-109,336,268.08-45,739,057.30

Finding the Fourth Proportional to 79,230,708.55, 109,336,268.08 and 45,739,057.30

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Solution

The fourth proportional to 79,230,708.55, 109,336,268.08 and 45,739,057.30 is: 63,118,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,230,708.55 : 109,336,268.08 = 45,739,057.30 : x
  2. Step 2: Convert to fraction form
    79,230,708.55/109,336,268.08 = 45,739,057.30/x
  3. Step 3: Cross multiply
    79,230,708.55x = 109,336,268.08 × 45,739,057.30
  4. Step 4: Simplify right side
    79,230,708.55x = 5,000,937,829,903,905
  5. Step 5: Solve for x
    x = 5,000,937,829,903,905/79,230,708.55
  6. Step 6: Final answer
    x = 63,118,681.15

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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.