Home / 188,423,139.40-282,634,709.10-147,608,470.60

Finding the Fourth Proportional to 188,423,139.40, 282,634,709.10 and 147,608,470.60

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Solution

The fourth proportional to 188,423,139.40, 282,634,709.10 and 147,608,470.60 is: 221,412,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,423,139.40 : 282,634,709.10 = 147,608,470.60 : x
  2. Step 2: Convert to fraction form
    188,423,139.40/282,634,709.10 = 147,608,470.60/x
  3. Step 3: Cross multiply
    188,423,139.40x = 282,634,709.10 × 147,608,470.60
  4. Step 4: Simplify right side
    188,423,139.40x = 41,719,277,148,726,904
  5. Step 5: Solve for x
    x = 41,719,277,148,726,904/188,423,139.40
  6. Step 6: Final answer
    x = 221,412,705.90

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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.