Home / 288,512,233.80-433,051,785.90-143,109,976.20

Finding the Fourth Proportional to 288,512,233.80, 433,051,785.90 and 143,109,976.20

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Solution

The fourth proportional to 288,512,233.80, 433,051,785.90 and 143,109,976.20 is: 214,805,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,512,233.80 : 433,051,785.90 = 143,109,976.20 : x
  2. Step 2: Convert to fraction form
    288,512,233.80/433,051,785.90 = 143,109,976.20/x
  3. Step 3: Cross multiply
    288,512,233.80x = 433,051,785.90 × 143,109,976.20
  4. Step 4: Simplify right side
    288,512,233.80x = 61,974,030,773,516,488
  5. Step 5: Solve for x
    x = 61,974,030,773,516,488/288,512,233.80
  6. Step 6: Final answer
    x = 214,805,555.93

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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.