Home / 143,804,590.53-215,706,885.80-99,801,275.73

Finding the Fourth Proportional to 143,804,590.53, 215,706,885.80 and 99,801,275.73

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Solution

The fourth proportional to 143,804,590.53, 215,706,885.80 and 99,801,275.73 is: 149,701,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,590.53 : 215,706,885.80 = 99,801,275.73 : x
  2. Step 2: Convert to fraction form
    143,804,590.53/215,706,885.80 = 99,801,275.73/x
  3. Step 3: Cross multiply
    143,804,590.53x = 215,706,885.80 × 99,801,275.73
  4. Step 4: Simplify right side
    143,804,590.53x = 21,527,822,386,585,424
  5. Step 5: Solve for x
    x = 21,527,822,386,585,424/143,804,590.53
  6. Step 6: Final answer
    x = 149,701,913.60

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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.