Home / 75,005,441.29-113,070,342.04-70,005,744.64

Finding the Fourth Proportional to 75,005,441.29, 113,070,342.04 and 70,005,744.64

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Solution

The fourth proportional to 75,005,441.29, 113,070,342.04 and 70,005,744.64 is: 105,533,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,005,441.29 : 113,070,342.04 = 70,005,744.64 : x
  2. Step 2: Convert to fraction form
    75,005,441.29/113,070,342.04 = 70,005,744.64/x
  3. Step 3: Cross multiply
    75,005,441.29x = 113,070,342.04 × 70,005,744.64
  4. Step 4: Simplify right side
    75,005,441.29x = 7,915,573,491,209,697
  5. Step 5: Solve for x
    x = 7,915,573,491,209,697/75,005,441.29
  6. Step 6: Final answer
    x = 105,533,323.38

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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.