Home / 113,972,887.20-171,043,311.60-45,864,458.40

Finding the Fourth Proportional to 113,972,887.20, 171,043,311.60 and 45,864,458.40

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Solution

The fourth proportional to 113,972,887.20, 171,043,311.60 and 45,864,458.40 is: 68,830,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,972,887.20 : 171,043,311.60 = 45,864,458.40 : x
  2. Step 2: Convert to fraction form
    113,972,887.20/171,043,311.60 = 45,864,458.40/x
  3. Step 3: Cross multiply
    113,972,887.20x = 171,043,311.60 × 45,864,458.40
  4. Step 4: Simplify right side
    113,972,887.20x = 7,844,808,849,476,437
  5. Step 5: Solve for x
    x = 7,844,808,849,476,437/113,972,887.20
  6. Step 6: Final answer
    x = 68,830,482.78

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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.