Home / 212,999,910.36-293,856,372.60-123,676,598.76

Finding the Fourth Proportional to 212,999,910.36, 293,856,372.60 and 123,676,598.76

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Solution

The fourth proportional to 212,999,910.36, 293,856,372.60 and 123,676,598.76 is: 170,625,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,999,910.36 : 293,856,372.60 = 123,676,598.76 : x
  2. Step 2: Convert to fraction form
    212,999,910.36/293,856,372.60 = 123,676,598.76/x
  3. Step 3: Cross multiply
    212,999,910.36x = 293,856,372.60 × 123,676,598.76
  4. Step 4: Simplify right side
    212,999,910.36x = 36,343,156,687,119,264
  5. Step 5: Solve for x
    x = 36,343,156,687,119,264/212,999,910.36
  6. Step 6: Final answer
    x = 170,625,220.57

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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.