Home / 72,325,756.40-108,488,634.60-43,604,322.80

Finding the Fourth Proportional to 72,325,756.40, 108,488,634.60 and 43,604,322.80

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Solution

The fourth proportional to 72,325,756.40, 108,488,634.60 and 43,604,322.80 is: 65,406,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,325,756.40 : 108,488,634.60 = 43,604,322.80 : x
  2. Step 2: Convert to fraction form
    72,325,756.40/108,488,634.60 = 43,604,322.80/x
  3. Step 3: Cross multiply
    72,325,756.40x = 108,488,634.60 × 43,604,322.80
  4. Step 4: Simplify right side
    72,325,756.40x = 4,730,573,443,229,648
  5. Step 5: Solve for x
    x = 4,730,573,443,229,648/72,325,756.40
  6. Step 6: Final answer
    x = 65,406,484.20

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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.