Home / 229,627,810.79-344,345,945.66-72,020,218.70

Finding the Fourth Proportional to 229,627,810.79, 344,345,945.66 and 72,020,218.70

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Solution

The fourth proportional to 229,627,810.79, 344,345,945.66 and 72,020,218.70 is: 108,000,290.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,627,810.79 : 344,345,945.66 = 72,020,218.70 : x
  2. Step 2: Convert to fraction form
    229,627,810.79/344,345,945.66 = 72,020,218.70/x
  3. Step 3: Cross multiply
    229,627,810.79x = 344,345,945.66 × 72,020,218.70
  4. Step 4: Simplify right side
    229,627,810.79x = 24,799,870,314,891,520
  5. Step 5: Solve for x
    x = 24,799,870,314,891,520/229,627,810.79
  6. Step 6: Final answer
    x = 108,000,290.69

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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.