Home / 168,497,968.40-252,774,946.20-66,265,341.20

Finding the Fourth Proportional to 168,497,968.40, 252,774,946.20 and 66,265,341.20

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Solution

The fourth proportional to 168,497,968.40, 252,774,946.20 and 66,265,341.20 is: 99,409,020.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,497,968.40 : 252,774,946.20 = 66,265,341.20 : x
  2. Step 2: Convert to fraction form
    168,497,968.40/252,774,946.20 = 66,265,341.20/x
  3. Step 3: Cross multiply
    168,497,968.40x = 252,774,946.20 × 66,265,341.20
  4. Step 4: Simplify right side
    168,497,968.40x = 16,750,218,056,754,644
  5. Step 5: Solve for x
    x = 16,750,218,056,754,644/168,497,968.40
  6. Step 6: Final answer
    x = 99,409,020.87

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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.