Home / 147,532,965.60-221,299,448.40-137,455,269.60

Finding the Fourth Proportional to 147,532,965.60, 221,299,448.40 and 137,455,269.60

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Solution

The fourth proportional to 147,532,965.60, 221,299,448.40 and 137,455,269.60 is: 206,182,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,532,965.60 : 221,299,448.40 = 137,455,269.60 : x
  2. Step 2: Convert to fraction form
    147,532,965.60/221,299,448.40 = 137,455,269.60/x
  3. Step 3: Cross multiply
    147,532,965.60x = 221,299,448.40 × 137,455,269.60
  4. Step 4: Simplify right side
    147,532,965.60x = 30,418,775,342,153,288
  5. Step 5: Solve for x
    x = 30,418,775,342,153,288/147,532,965.60
  6. Step 6: Final answer
    x = 206,182,904.40

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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.