Home / 172,649,497.60-258,974,246.40-118,229,939.20

Finding the Fourth Proportional to 172,649,497.60, 258,974,246.40 and 118,229,939.20

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Solution

The fourth proportional to 172,649,497.60, 258,974,246.40 and 118,229,939.20 is: 177,344,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,649,497.60 : 258,974,246.40 = 118,229,939.20 : x
  2. Step 2: Convert to fraction form
    172,649,497.60/258,974,246.40 = 118,229,939.20/x
  3. Step 3: Cross multiply
    172,649,497.60x = 258,974,246.40 × 118,229,939.20
  4. Step 4: Simplify right side
    172,649,497.60x = 30,618,509,406,237,820
  5. Step 5: Solve for x
    x = 30,618,509,406,237,820/172,649,497.60
  6. Step 6: Final answer
    x = 177,344,908.80

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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.