Home / 75,005,440.29-113,070,340.53-70,005,743.64

Finding the Fourth Proportional to 75,005,440.29, 113,070,340.53 and 70,005,743.64

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Solution

The fourth proportional to 75,005,440.29, 113,070,340.53 and 70,005,743.64 is: 105,533,321.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,005,440.29 : 113,070,340.53 = 70,005,743.64 : x
  2. Step 2: Convert to fraction form
    75,005,440.29/113,070,340.53 = 70,005,743.64/x
  3. Step 3: Cross multiply
    75,005,440.29x = 113,070,340.53 × 70,005,743.64
  4. Step 4: Simplify right side
    75,005,440.29x = 7,915,573,272,430,682
  5. Step 5: Solve for x
    x = 7,915,573,272,430,682/75,005,440.29
  6. Step 6: Final answer
    x = 105,533,321.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.