Home / 123,484,450.79-170,408,785.67-67,730,325.02

Finding the Fourth Proportional to 123,484,450.79, 170,408,785.67 and 67,730,325.02

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Solution

The fourth proportional to 123,484,450.79, 170,408,785.67 and 67,730,325.02 is: 93,467,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,484,450.79 : 170,408,785.67 = 67,730,325.02 : x
  2. Step 2: Convert to fraction form
    123,484,450.79/170,408,785.67 = 67,730,325.02/x
  3. Step 3: Cross multiply
    123,484,450.79x = 170,408,785.67 × 67,730,325.02
  4. Step 4: Simplify right side
    123,484,450.79x = 11,541,842,438,501,922
  5. Step 5: Solve for x
    x = 11,541,842,438,501,922/123,484,450.79
  6. Step 6: Final answer
    x = 93,467,982.12

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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.