Home / 74,077,560.88-102,217,339.60-42,716,768.16

Finding the Fourth Proportional to 74,077,560.88, 102,217,339.60 and 42,716,768.16

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Solution

The fourth proportional to 74,077,560.88, 102,217,339.60 and 42,716,768.16 is: 58,943,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,077,560.88 : 102,217,339.60 = 42,716,768.16 : x
  2. Step 2: Convert to fraction form
    74,077,560.88/102,217,339.60 = 42,716,768.16/x
  3. Step 3: Cross multiply
    74,077,560.88x = 102,217,339.60 × 42,716,768.16
  4. Step 4: Simplify right side
    74,077,560.88x = 4,366,394,397,625,186.50
  5. Step 5: Solve for x
    x = 4,366,394,397,625,186.50/74,077,560.88
  6. Step 6: Final answer
    x = 58,943,549.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.