Home / 272,653,363.80-408,980,045.70-157,578,672.60

Finding the Fourth Proportional to 272,653,363.80, 408,980,045.70 and 157,578,672.60

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Solution

The fourth proportional to 272,653,363.80, 408,980,045.70 and 157,578,672.60 is: 236,368,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,653,363.80 : 408,980,045.70 = 157,578,672.60 : x
  2. Step 2: Convert to fraction form
    272,653,363.80/408,980,045.70 = 157,578,672.60/x
  3. Step 3: Cross multiply
    272,653,363.80x = 408,980,045.70 × 157,578,672.60
  4. Step 4: Simplify right side
    272,653,363.80x = 64,446,532,721,293,336
  5. Step 5: Solve for x
    x = 64,446,532,721,293,336/272,653,363.80
  6. Step 6: Final answer
    x = 236,368,008.90

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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.