Home / 134,103,869.33-185,064,065.75-78,352,559.15

Finding the Fourth Proportional to 134,103,869.33, 185,064,065.75 and 78,352,559.15

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Solution

The fourth proportional to 134,103,869.33, 185,064,065.75 and 78,352,559.15 is: 108,126,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,103,869.33 : 185,064,065.75 = 78,352,559.15 : x
  2. Step 2: Convert to fraction form
    134,103,869.33/185,064,065.75 = 78,352,559.15/x
  3. Step 3: Cross multiply
    134,103,869.33x = 185,064,065.75 × 78,352,559.15
  4. Step 4: Simplify right side
    134,103,869.33x = 14,500,243,157,486,924
  5. Step 5: Solve for x
    x = 14,500,243,157,486,924/134,103,869.33
  6. Step 6: Final answer
    x = 108,126,955.85

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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.