Home / 168,108,547.20-252,162,820.80-161,651,539.05

Finding the Fourth Proportional to 168,108,547.20, 252,162,820.80 and 161,651,539.05

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Solution

The fourth proportional to 168,108,547.20, 252,162,820.80 and 161,651,539.05 is: 242,477,308.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,108,547.20 : 252,162,820.80 = 161,651,539.05 : x
  2. Step 2: Convert to fraction form
    168,108,547.20/252,162,820.80 = 161,651,539.05/x
  3. Step 3: Cross multiply
    168,108,547.20x = 252,162,820.80 × 161,651,539.05
  4. Step 4: Simplify right side
    168,108,547.20x = 40,762,508,073,509,360
  5. Step 5: Solve for x
    x = 40,762,508,073,509,360/168,108,547.20
  6. Step 6: Final answer
    x = 242,477,308.58

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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.