Home / 134,636,992.58-185,791,042.43-78,117,360.02

Finding the Fourth Proportional to 134,636,992.58, 185,791,042.43 and 78,117,360.02

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Solution

The fourth proportional to 134,636,992.58, 185,791,042.43 and 78,117,360.02 is: 107,797,310.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,636,992.58 : 185,791,042.43 = 78,117,360.02 : x
  2. Step 2: Convert to fraction form
    134,636,992.58/185,791,042.43 = 78,117,360.02/x
  3. Step 3: Cross multiply
    134,636,992.58x = 185,791,042.43 × 78,117,360.02
  4. Step 4: Simplify right side
    134,636,992.58x = 14,513,505,749,995,406
  5. Step 5: Solve for x
    x = 14,513,505,749,995,406/134,636,992.58
  6. Step 6: Final answer
    x = 107,797,310.92

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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.