Home / 98,385,629.80-147,667,674.30-49,897,215.40

Finding the Fourth Proportional to 98,385,629.80, 147,667,674.30 and 49,897,215.40

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Solution

The fourth proportional to 98,385,629.80, 147,667,674.30 and 49,897,215.40 is: 74,891,076.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,385,629.80 : 147,667,674.30 = 49,897,215.40 : x
  2. Step 2: Convert to fraction form
    98,385,629.80/147,667,674.30 = 49,897,215.40/x
  3. Step 3: Cross multiply
    98,385,629.80x = 147,667,674.30 × 49,897,215.40
  4. Step 4: Simplify right side
    98,385,629.80x = 7,368,205,752,164,145
  5. Step 5: Solve for x
    x = 7,368,205,752,164,145/98,385,629.80
  6. Step 6: Final answer
    x = 74,891,076.75

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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.