Home / 126,178,158.84-189,333,921.12-89,526,913.24

Finding the Fourth Proportional to 126,178,158.84, 189,333,921.12 and 89,526,913.24

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Solution

The fourth proportional to 126,178,158.84, 189,333,921.12 and 89,526,913.24 is: 134,337,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,178,158.84 : 189,333,921.12 = 89,526,913.24 : x
  2. Step 2: Convert to fraction form
    126,178,158.84/189,333,921.12 = 89,526,913.24/x
  3. Step 3: Cross multiply
    126,178,158.84x = 189,333,921.12 × 89,526,913.24
  4. Step 4: Simplify right side
    126,178,158.84x = 16,950,481,529,499,244
  5. Step 5: Solve for x
    x = 16,950,481,529,499,244/126,178,158.84
  6. Step 6: Final answer
    x = 134,337,683.20

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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.