Home / 75,287,218.80-112,928,495.40-21,434,530.80

Finding the Fourth Proportional to 75,287,218.80, 112,928,495.40 and 21,434,530.80

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Solution

The fourth proportional to 75,287,218.80, 112,928,495.40 and 21,434,530.80 is: 32,151,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,287,218.80 : 112,928,495.40 = 21,434,530.80 : x
  2. Step 2: Convert to fraction form
    75,287,218.80/112,928,495.40 = 21,434,530.80/x
  3. Step 3: Cross multiply
    75,287,218.80x = 112,928,495.40 × 21,434,530.80
  4. Step 4: Simplify right side
    75,287,218.80x = 2,420,569,312,848,958.50
  5. Step 5: Solve for x
    x = 2,420,569,312,848,958.50/75,287,218.80
  6. Step 6: Final answer
    x = 32,151,132.04

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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.