Home / 53,445,165.70-80,167,748.55-47,386,738.30

Finding the Fourth Proportional to 53,445,165.70, 80,167,748.55 and 47,386,738.30

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Solution

The fourth proportional to 53,445,165.70, 80,167,748.55 and 47,386,738.30 is: 71,080,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,445,165.70 : 80,167,748.55 = 47,386,738.30 : x
  2. Step 2: Convert to fraction form
    53,445,165.70/80,167,748.55 = 47,386,738.30/x
  3. Step 3: Cross multiply
    53,445,165.70x = 80,167,748.55 × 47,386,738.30
  4. Step 4: Simplify right side
    53,445,165.70x = 3,798,888,120,639,054
  5. Step 5: Solve for x
    x = 3,798,888,120,639,054/53,445,165.70
  6. Step 6: Final answer
    x = 71,080,107.45

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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.