Home / 75,320,068.18-112,980,102.27-21,465,980.50

Finding the Fourth Proportional to 75,320,068.18, 112,980,102.27 and 21,465,980.50

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Solution

The fourth proportional to 75,320,068.18, 112,980,102.27 and 21,465,980.50 is: 32,198,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320,068.18 : 112,980,102.27 = 21,465,980.50 : x
  2. Step 2: Convert to fraction form
    75,320,068.18/112,980,102.27 = 21,465,980.50/x
  3. Step 3: Cross multiply
    75,320,068.18x = 112,980,102.27 × 21,465,980.50
  4. Step 4: Simplify right side
    75,320,068.18x = 2,425,228,672,215,825.50
  5. Step 5: Solve for x
    x = 2,425,228,672,215,825.50/75,320,068.18
  6. Step 6: Final answer
    x = 32,198,970.75

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Similar ratio
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1.5x scale

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.