Home / 125,844,320.70-188,447,616.45-100,335,152.70

Finding the Fourth Proportional to 125,844,320.70, 188,447,616.45 and 100,335,152.70

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Solution

The fourth proportional to 125,844,320.70, 188,447,616.45 and 100,335,152.70 is: 150,248,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,844,320.70 : 188,447,616.45 = 100,335,152.70 : x
  2. Step 2: Convert to fraction form
    125,844,320.70/188,447,616.45 = 100,335,152.70/x
  3. Step 3: Cross multiply
    125,844,320.70x = 188,447,616.45 × 100,335,152.70
  4. Step 4: Simplify right side
    125,844,320.70x = 18,907,920,372,461,780
  5. Step 5: Solve for x
    x = 18,907,920,372,461,780/125,844,320.70
  6. Step 6: Final answer
    x = 150,248,499.63

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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.