Home / 79,408,291.74-119,061,458.64-30,834,387.51

Finding the Fourth Proportional to 79,408,291.74, 119,061,458.64 and 30,834,387.51

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Solution

The fourth proportional to 79,408,291.74, 119,061,458.64 and 30,834,387.51 is: 46,231,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,408,291.74 : 119,061,458.64 = 30,834,387.51 : x
  2. Step 2: Convert to fraction form
    79,408,291.74/119,061,458.64 = 30,834,387.51/x
  3. Step 3: Cross multiply
    79,408,291.74x = 119,061,458.64 × 30,834,387.51
  4. Step 4: Simplify right side
    79,408,291.74x = 3,671,187,153,211,598
  5. Step 5: Solve for x
    x = 3,671,187,153,211,598/79,408,291.74
  6. Step 6: Final answer
    x = 46,231,786.04

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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.