Home / 57,328,156-79,111,674.30-31,223,132.56

Finding the Fourth Proportional to 57,328,156, 79,111,674.30 and 31,223,132.56

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Solution

The fourth proportional to 57,328,156, 79,111,674.30 and 31,223,132.56 is: 43,087,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328,156 : 79,111,674.30 = 31,223,132.56 : x
  2. Step 2: Convert to fraction form
    57,328,156/79,111,674.30 = 31,223,132.56/x
  3. Step 3: Cross multiply
    57,328,156x = 79,111,674.30 × 31,223,132.56
  4. Step 4: Simplify right side
    57,328,156x = 2,470,114,293,712,445
  5. Step 5: Solve for x
    x = 2,470,114,293,712,445/57,328,156
  6. Step 6: Final answer
    x = 43,087,279.73

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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.