Home / 125,844,384.45-188,447,712.08-100,335,216.45

Finding the Fourth Proportional to 125,844,384.45, 188,447,712.08 and 100,335,216.45

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Solution

The fourth proportional to 125,844,384.45, 188,447,712.08 and 100,335,216.45 is: 150,248,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,844,384.45 : 188,447,712.08 = 100,335,216.45 : x
  2. Step 2: Convert to fraction form
    125,844,384.45/188,447,712.08 = 100,335,216.45/x
  3. Step 3: Cross multiply
    125,844,384.45x = 188,447,712.08 × 100,335,216.45
  4. Step 4: Simplify right side
    125,844,384.45x = 18,907,941,980,552,404
  5. Step 5: Solve for x
    x = 18,907,941,980,552,404/125,844,384.45
  6. Step 6: Final answer
    x = 150,248,595.22

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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.