Home / 91,790,555.25-137,695,919.80-30,357,336.45

Finding the Fourth Proportional to 91,790,555.25, 137,695,919.80 and 30,357,336.45

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Solution

The fourth proportional to 91,790,555.25, 137,695,919.80 and 30,357,336.45 is: 45,539,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,790,555.25 : 137,695,919.80 = 30,357,336.45 : x
  2. Step 2: Convert to fraction form
    91,790,555.25/137,695,919.80 = 30,357,336.45/x
  3. Step 3: Cross multiply
    91,790,555.25x = 137,695,919.80 × 30,357,336.45
  4. Step 4: Simplify right side
    91,790,555.25x = 4,180,081,365,160,817
  5. Step 5: Solve for x
    x = 4,180,081,365,160,817/91,790,555.25
  6. Step 6: Final answer
    x = 45,539,340.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.