Home / 134,636,991.08-185,791,040.36-78,117,358.52

Finding the Fourth Proportional to 134,636,991.08, 185,791,040.36 and 78,117,358.52

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Solution

The fourth proportional to 134,636,991.08, 185,791,040.36 and 78,117,358.52 is: 107,797,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,636,991.08 : 185,791,040.36 = 78,117,358.52 : x
  2. Step 2: Convert to fraction form
    134,636,991.08/185,791,040.36 = 78,117,358.52/x
  3. Step 3: Cross multiply
    134,636,991.08x = 185,791,040.36 × 78,117,358.52
  4. Step 4: Simplify right side
    134,636,991.08x = 14,513,505,309,605,910
  5. Step 5: Solve for x
    x = 14,513,505,309,605,910/134,636,991.08
  6. Step 6: Final answer
    x = 107,797,308.85

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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.