Home / 74,023,421.56-102,159,176.47-40,983,671.21

Finding the Fourth Proportional to 74,023,421.56, 102,159,176.47 and 40,983,671.21

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Solution

The fourth proportional to 74,023,421.56, 102,159,176.47 and 40,983,671.21 is: 56,561,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,023,421.56 : 102,159,176.47 = 40,983,671.21 : x
  2. Step 2: Convert to fraction form
    74,023,421.56/102,159,176.47 = 40,983,671.21/x
  3. Step 3: Cross multiply
    74,023,421.56x = 102,159,176.47 × 40,983,671.21
  4. Step 4: Simplify right side
    74,023,421.56x = 4,186,858,098,917,593
  5. Step 5: Solve for x
    x = 4,186,858,098,917,593/74,023,421.56
  6. Step 6: Final answer
    x = 56,561,261.43

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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.