Home / 144,228,544.36-199,035,567.10-78,148,990.50

Finding the Fourth Proportional to 144,228,544.36, 199,035,567.10 and 78,148,990.50

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Solution

The fourth proportional to 144,228,544.36, 199,035,567.10 and 78,148,990.50 is: 107,845,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,228,544.36 : 199,035,567.10 = 78,148,990.50 : x
  2. Step 2: Convert to fraction form
    144,228,544.36/199,035,567.10 = 78,148,990.50/x
  3. Step 3: Cross multiply
    144,228,544.36x = 199,035,567.10 × 78,148,990.50
  4. Step 4: Simplify right side
    144,228,544.36x = 15,554,428,642,711,092
  5. Step 5: Solve for x
    x = 15,554,428,642,711,092/144,228,544.36
  6. Step 6: Final answer
    x = 107,845,702.19

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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.