Home / 209,952,761.20-314,929,141.80-158,220,588.40

Finding the Fourth Proportional to 209,952,761.20, 314,929,141.80 and 158,220,588.40

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Solution

The fourth proportional to 209,952,761.20, 314,929,141.80 and 158,220,588.40 is: 237,330,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,761.20 : 314,929,141.80 = 158,220,588.40 : x
  2. Step 2: Convert to fraction form
    209,952,761.20/314,929,141.80 = 158,220,588.40/x
  3. Step 3: Cross multiply
    209,952,761.20x = 314,929,141.80 × 158,220,588.40
  4. Step 4: Simplify right side
    209,952,761.20x = 49,828,274,119,903,040
  5. Step 5: Solve for x
    x = 49,828,274,119,903,040/209,952,761.20
  6. Step 6: Final answer
    x = 237,330,882.60

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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.