Home / 288,062,561.81-432,113,107.14-101,294,191.86

Finding the Fourth Proportional to 288,062,561.81, 432,113,107.14 and 101,294,191.86

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Solution

The fourth proportional to 288,062,561.81, 432,113,107.14 and 101,294,191.86 is: 151,948,061.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,062,561.81 : 432,113,107.14 = 101,294,191.86 : x
  2. Step 2: Convert to fraction form
    288,062,561.81/432,113,107.14 = 101,294,191.86/x
  3. Step 3: Cross multiply
    288,062,561.81x = 432,113,107.14 × 101,294,191.86
  4. Step 4: Simplify right side
    288,062,561.81x = 43,770,547,979,859,896
  5. Step 5: Solve for x
    x = 43,770,547,979,859,896/288,062,561.81
  6. Step 6: Final answer
    x = 151,948,061.93

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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.