Home / 117,923,307.80-176,884,961.70-74,664,010.40

Finding the Fourth Proportional to 117,923,307.80, 176,884,961.70 and 74,664,010.40

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Solution

The fourth proportional to 117,923,307.80, 176,884,961.70 and 74,664,010.40 is: 111,996,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,923,307.80 : 176,884,961.70 = 74,664,010.40 : x
  2. Step 2: Convert to fraction form
    117,923,307.80/176,884,961.70 = 74,664,010.40/x
  3. Step 3: Cross multiply
    117,923,307.80x = 176,884,961.70 × 74,664,010.40
  4. Step 4: Simplify right side
    117,923,307.80x = 13,206,940,619,972,402
  5. Step 5: Solve for x
    x = 13,206,940,619,972,402/117,923,307.80
  6. Step 6: Final answer
    x = 111,996,015.60

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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.