Home / 144,097,117.84-198,853,759.74-78,017,608

Finding the Fourth Proportional to 144,097,117.84, 198,853,759.74 and 78,017,608

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Solution

The fourth proportional to 144,097,117.84, 198,853,759.74 and 78,017,608 is: 107,664,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,097,117.84 : 198,853,759.74 = 78,017,608 : x
  2. Step 2: Convert to fraction form
    144,097,117.84/198,853,759.74 = 78,017,608/x
  3. Step 3: Cross multiply
    144,097,117.84x = 198,853,759.74 × 78,017,608
  4. Step 4: Simplify right side
    144,097,117.84x = 15,514,094,676,721,502
  5. Step 5: Solve for x
    x = 15,514,094,676,721,502/144,097,117.84
  6. Step 6: Final answer
    x = 107,664,156.71

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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.