Home / 222,983,089.28-334,344,411.84-86,508,997.76

Finding the Fourth Proportional to 222,983,089.28, 334,344,411.84 and 86,508,997.76

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Solution

The fourth proportional to 222,983,089.28, 334,344,411.84 and 86,508,997.76 is: 129,712,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,983,089.28 : 334,344,411.84 = 86,508,997.76 : x
  2. Step 2: Convert to fraction form
    222,983,089.28/334,344,411.84 = 86,508,997.76/x
  3. Step 3: Cross multiply
    222,983,089.28x = 334,344,411.84 × 86,508,997.76
  4. Step 4: Simplify right side
    222,983,089.28x = 28,923,799,974,935,076
  5. Step 5: Solve for x
    x = 28,923,799,974,935,076/222,983,089.28
  6. Step 6: Final answer
    x = 129,712,975.40

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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.