Home / 216,102,826.46-324,105,724.71-99,406,105.40

Finding the Fourth Proportional to 216,102,826.46, 324,105,724.71 and 99,406,105.40

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Solution

The fourth proportional to 216,102,826.46, 324,105,724.71 and 99,406,105.40 is: 149,086,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,102,826.46 : 324,105,724.71 = 99,406,105.40 : x
  2. Step 2: Convert to fraction form
    216,102,826.46/324,105,724.71 = 99,406,105.40/x
  3. Step 3: Cross multiply
    216,102,826.46x = 324,105,724.71 × 99,406,105.40
  4. Step 4: Simplify right side
    216,102,826.46x = 32,218,087,832,075,908
  5. Step 5: Solve for x
    x = 32,218,087,832,075,908/216,102,826.46
  6. Step 6: Final answer
    x = 149,086,841.48

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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.