Home / 123,289,223.60-170,074,622.94-76,231,254.83

Finding the Fourth Proportional to 123,289,223.60, 170,074,622.94 and 76,231,254.83

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Solution

The fourth proportional to 123,289,223.60, 170,074,622.94 and 76,231,254.83 is: 105,159,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,289,223.60 : 170,074,622.94 = 76,231,254.83 : x
  2. Step 2: Convert to fraction form
    123,289,223.60/170,074,622.94 = 76,231,254.83/x
  3. Step 3: Cross multiply
    123,289,223.60x = 170,074,622.94 × 76,231,254.83
  4. Step 4: Simplify right side
    123,289,223.60x = 12,965,001,920,604,932
  5. Step 5: Solve for x
    x = 12,965,001,920,604,932/123,289,223.60
  6. Step 6: Final answer
    x = 105,159,247.03

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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.