Home / 168,300,766.46-252,606,335.76-85,360,729.06

Finding the Fourth Proportional to 168,300,766.46, 252,606,335.76 and 85,360,729.06

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Solution

The fourth proportional to 168,300,766.46, 252,606,335.76 and 85,360,729.06 is: 128,119,802.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,300,766.46 : 252,606,335.76 = 85,360,729.06 : x
  2. Step 2: Convert to fraction form
    168,300,766.46/252,606,335.76 = 85,360,729.06/x
  3. Step 3: Cross multiply
    168,300,766.46x = 252,606,335.76 × 85,360,729.06
  4. Step 4: Simplify right side
    168,300,766.46x = 21,562,660,985,017,232
  5. Step 5: Solve for x
    x = 21,562,660,985,017,232/168,300,766.46
  6. Step 6: Final answer
    x = 128,119,802.66

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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.