Home / 147,822,282.15-203,996,070.91-81,747,226.01

Finding the Fourth Proportional to 147,822,282.15, 203,996,070.91 and 81,747,226.01

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Solution

The fourth proportional to 147,822,282.15, 203,996,070.91 and 81,747,226.01 is: 112,811,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822,282.15 : 203,996,070.91 = 81,747,226.01 : x
  2. Step 2: Convert to fraction form
    147,822,282.15/203,996,070.91 = 81,747,226.01/x
  3. Step 3: Cross multiply
    147,822,282.15x = 203,996,070.91 × 81,747,226.01
  4. Step 4: Simplify right side
    147,822,282.15x = 16,676,112,914,443,114
  5. Step 5: Solve for x
    x = 16,676,112,914,443,114/147,822,282.15
  6. Step 6: Final answer
    x = 112,811,902.73

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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.