Home / 75,359,390.40-113,039,085.60-74,721,661.20

Finding the Fourth Proportional to 75,359,390.40, 113,039,085.60 and 74,721,661.20

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Solution

The fourth proportional to 75,359,390.40, 113,039,085.60 and 74,721,661.20 is: 112,082,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,359,390.40 : 113,039,085.60 = 74,721,661.20 : x
  2. Step 2: Convert to fraction form
    75,359,390.40/113,039,085.60 = 74,721,661.20/x
  3. Step 3: Cross multiply
    75,359,390.40x = 113,039,085.60 × 74,721,661.20
  4. Step 4: Simplify right side
    75,359,390.40x = 8,446,468,256,560,999
  5. Step 5: Solve for x
    x = 8,446,468,256,560,999/75,359,390.40
  6. Step 6: Final answer
    x = 112,082,491.80

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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.