Home / 215,897,747.84-323,846,361.12-70,331,071.76

Finding the Fourth Proportional to 215,897,747.84, 323,846,361.12 and 70,331,071.76

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Solution

The fourth proportional to 215,897,747.84, 323,846,361.12 and 70,331,071.76 is: 105,496,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,897,747.84 : 323,846,361.12 = 70,331,071.76 : x
  2. Step 2: Convert to fraction form
    215,897,747.84/323,846,361.12 = 70,331,071.76/x
  3. Step 3: Cross multiply
    215,897,747.84x = 323,846,361.12 × 70,331,071.76
  4. Step 4: Simplify right side
    215,897,747.84x = 22,776,461,663,145,596
  5. Step 5: Solve for x
    x = 22,776,461,663,145,596/215,897,747.84
  6. Step 6: Final answer
    x = 105,496,522.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.