Home / 205,861,163.31-284,093,341.10-111,779,275.62

Finding the Fourth Proportional to 205,861,163.31, 284,093,341.10 and 111,779,275.62

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Solution

The fourth proportional to 205,861,163.31, 284,093,341.10 and 111,779,275.62 is: 154,258,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,861,163.31 : 284,093,341.10 = 111,779,275.62 : x
  2. Step 2: Convert to fraction form
    205,861,163.31/284,093,341.10 = 111,779,275.62/x
  3. Step 3: Cross multiply
    205,861,163.31x = 284,093,341.10 × 111,779,275.62
  4. Step 4: Simplify right side
    205,861,163.31x = 31,755,747,876,623,580
  5. Step 5: Solve for x
    x = 31,755,747,876,623,580/205,861,163.31
  6. Step 6: Final answer
    x = 154,258,080.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.