Home / 115,041,805.20-172,562,707.80-102,500,672.40

Finding the Fourth Proportional to 115,041,805.20, 172,562,707.80 and 102,500,672.40

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Solution

The fourth proportional to 115,041,805.20, 172,562,707.80 and 102,500,672.40 is: 153,751,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,041,805.20 : 172,562,707.80 = 102,500,672.40 : x
  2. Step 2: Convert to fraction form
    115,041,805.20/172,562,707.80 = 102,500,672.40/x
  3. Step 3: Cross multiply
    115,041,805.20x = 172,562,707.80 × 102,500,672.40
  4. Step 4: Simplify right side
    115,041,805.20x = 17,687,793,580,664,726
  5. Step 5: Solve for x
    x = 17,687,793,580,664,726/115,041,805.20
  6. Step 6: Final answer
    x = 153,751,008.60

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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.