Home / 148,473,369.20-222,710,053.80-100,100,428.40

Finding the Fourth Proportional to 148,473,369.20, 222,710,053.80 and 100,100,428.40

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Solution

The fourth proportional to 148,473,369.20, 222,710,053.80 and 100,100,428.40 is: 150,150,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,473,369.20 : 222,710,053.80 = 100,100,428.40 : x
  2. Step 2: Convert to fraction form
    148,473,369.20/222,710,053.80 = 100,100,428.40/x
  3. Step 3: Cross multiply
    148,473,369.20x = 222,710,053.80 × 100,100,428.40
  4. Step 4: Simplify right side
    148,473,369.20x = 22,293,371,794,367,052
  5. Step 5: Solve for x
    x = 22,293,371,794,367,052/148,473,369.20
  6. Step 6: Final answer
    x = 150,150,642.60

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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.