Home / 99,641,620.70-149,462,431.05-27,838,036.70

Finding the Fourth Proportional to 99,641,620.70, 149,462,431.05 and 27,838,036.70

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Solution

The fourth proportional to 99,641,620.70, 149,462,431.05 and 27,838,036.70 is: 41,757,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,641,620.70 : 149,462,431.05 = 27,838,036.70 : x
  2. Step 2: Convert to fraction form
    99,641,620.70/149,462,431.05 = 27,838,036.70/x
  3. Step 3: Cross multiply
    99,641,620.70x = 149,462,431.05 × 27,838,036.70
  4. Step 4: Simplify right side
    99,641,620.70x = 4,160,740,640,841,120
  5. Step 5: Solve for x
    x = 4,160,740,640,841,120/99,641,620.70
  6. Step 6: Final answer
    x = 41,757,055.05

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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.