Home / 209,952,891.70-314,929,337.55-158,220,718.90

Finding the Fourth Proportional to 209,952,891.70, 314,929,337.55 and 158,220,718.90

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Solution

The fourth proportional to 209,952,891.70, 314,929,337.55 and 158,220,718.90 is: 237,331,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,891.70 : 314,929,337.55 = 158,220,718.90 : x
  2. Step 2: Convert to fraction form
    209,952,891.70/314,929,337.55 = 158,220,718.90/x
  3. Step 3: Cross multiply
    209,952,891.70x = 314,929,337.55 × 158,220,718.90
  4. Step 4: Simplify right side
    209,952,891.70x = 49,828,346,189,861,768
  5. Step 5: Solve for x
    x = 49,828,346,189,861,768/209,952,891.70
  6. Step 6: Final answer
    x = 237,331,078.35

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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.