Home / 136,566,217.60-204,849,326.40-120,782,419.90

Finding the Fourth Proportional to 136,566,217.60, 204,849,326.40 and 120,782,419.90

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Solution

The fourth proportional to 136,566,217.60, 204,849,326.40 and 120,782,419.90 is: 181,173,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,566,217.60 : 204,849,326.40 = 120,782,419.90 : x
  2. Step 2: Convert to fraction form
    136,566,217.60/204,849,326.40 = 120,782,419.90/x
  3. Step 3: Cross multiply
    136,566,217.60x = 204,849,326.40 × 120,782,419.90
  4. Step 4: Simplify right side
    136,566,217.60x = 24,742,197,357,476,956
  5. Step 5: Solve for x
    x = 24,742,197,357,476,956/136,566,217.60
  6. Step 6: Final answer
    x = 181,173,629.85

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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.