Home / 141,203,431.61-194,865,730.86-78,480,780.29

Finding the Fourth Proportional to 141,203,431.61, 194,865,730.86 and 78,480,780.29

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Solution

The fourth proportional to 141,203,431.61, 194,865,730.86 and 78,480,780.29 is: 108,306,253.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,203,431.61 : 194,865,730.86 = 78,480,780.29 : x
  2. Step 2: Convert to fraction form
    141,203,431.61/194,865,730.86 = 78,480,780.29/x
  3. Step 3: Cross multiply
    141,203,431.61x = 194,865,730.86 × 78,480,780.29
  4. Step 4: Simplify right side
    141,203,431.61x = 15,293,214,608,699,604
  5. Step 5: Solve for x
    x = 15,293,214,608,699,604/141,203,431.61
  6. Step 6: Final answer
    x = 108,306,253.15

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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.