Home / 143,804,535.90-215,706,803.85-99,801,221.10

Finding the Fourth Proportional to 143,804,535.90, 215,706,803.85 and 99,801,221.10

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Solution

The fourth proportional to 143,804,535.90, 215,706,803.85 and 99,801,221.10 is: 149,701,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,535.90 : 215,706,803.85 = 99,801,221.10 : x
  2. Step 2: Convert to fraction form
    143,804,535.90/215,706,803.85 = 99,801,221.10/x
  3. Step 3: Cross multiply
    143,804,535.90x = 215,706,803.85 × 99,801,221.10
  4. Step 4: Simplify right side
    143,804,535.90x = 21,527,802,423,808,180
  5. Step 5: Solve for x
    x = 21,527,802,423,808,180/143,804,535.90
  6. Step 6: Final answer
    x = 149,701,831.65

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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.