Home / 143,804,523.90-215,706,785.85-99,801,209.10

Finding the Fourth Proportional to 143,804,523.90, 215,706,785.85 and 99,801,209.10

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Solution

The fourth proportional to 143,804,523.90, 215,706,785.85 and 99,801,209.10 is: 149,701,813.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,523.90 : 215,706,785.85 = 99,801,209.10 : x
  2. Step 2: Convert to fraction form
    143,804,523.90/215,706,785.85 = 99,801,209.10/x
  3. Step 3: Cross multiply
    143,804,523.90x = 215,706,785.85 × 99,801,209.10
  4. Step 4: Simplify right side
    143,804,523.90x = 21,527,798,038,904,768
  5. Step 5: Solve for x
    x = 21,527,798,038,904,768/143,804,523.90
  6. Step 6: Final answer
    x = 149,701,813.65

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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.