Home / 229,627,811.29-344,345,946.41-72,020,219.20

Finding the Fourth Proportional to 229,627,811.29, 344,345,946.41 and 72,020,219.20

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Solution

The fourth proportional to 229,627,811.29, 344,345,946.41 and 72,020,219.20 is: 108,000,291.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,627,811.29 : 344,345,946.41 = 72,020,219.20 : x
  2. Step 2: Convert to fraction form
    229,627,811.29/344,345,946.41 = 72,020,219.20/x
  3. Step 3: Cross multiply
    229,627,811.29x = 344,345,946.41 × 72,020,219.20
  4. Step 4: Simplify right side
    229,627,811.29x = 24,799,870,541,079,656
  5. Step 5: Solve for x
    x = 24,799,870,541,079,656/229,627,811.29
  6. Step 6: Final answer
    x = 108,000,291.44

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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.