Home / 168,778,592.69-253,206,069.19-53,769,686.45

Finding the Fourth Proportional to 168,778,592.69, 253,206,069.19 and 53,769,686.45

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Solution

The fourth proportional to 168,778,592.69, 253,206,069.19 and 53,769,686.45 is: 80,666,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,778,592.69 : 253,206,069.19 = 53,769,686.45 : x
  2. Step 2: Convert to fraction form
    168,778,592.69/253,206,069.19 = 53,769,686.45/x
  3. Step 3: Cross multiply
    168,778,592.69x = 253,206,069.19 × 53,769,686.45
  4. Step 4: Simplify right side
    168,778,592.69x = 13,614,810,946,182,850
  5. Step 5: Solve for x
    x = 13,614,810,946,182,850/168,778,592.69
  6. Step 6: Final answer
    x = 80,666,693.15

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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.