Home / 144,884,131.90-199,941,544.48-78,806,167.36

Finding the Fourth Proportional to 144,884,131.90, 199,941,544.48 and 78,806,167.36

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Solution

The fourth proportional to 144,884,131.90, 199,941,544.48 and 78,806,167.36 is: 108,753,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,884,131.90 : 199,941,544.48 = 78,806,167.36 : x
  2. Step 2: Convert to fraction form
    144,884,131.90/199,941,544.48 = 78,806,167.36/x
  3. Step 3: Cross multiply
    144,884,131.90x = 199,941,544.48 × 78,806,167.36
  4. Step 4: Simplify right side
    144,884,131.90x = 15,756,626,816,507,764
  5. Step 5: Solve for x
    x = 15,756,626,816,507,764/144,884,131.90
  6. Step 6: Final answer
    x = 108,753,295.55

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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.