Home / 217,262,328.84-299,812,889.70-123,182,805.24

Finding the Fourth Proportional to 217,262,328.84, 299,812,889.70 and 123,182,805.24

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Solution

The fourth proportional to 217,262,328.84, 299,812,889.70 and 123,182,805.24 is: 169,987,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,262,328.84 : 299,812,889.70 = 123,182,805.24 : x
  2. Step 2: Convert to fraction form
    217,262,328.84/299,812,889.70 = 123,182,805.24/x
  3. Step 3: Cross multiply
    217,262,328.84x = 299,812,889.70 × 123,182,805.24
  4. Step 4: Simplify right side
    217,262,328.84x = 36,931,792,800,356,696
  5. Step 5: Solve for x
    x = 36,931,792,800,356,696/217,262,328.84
  6. Step 6: Final answer
    x = 169,987,098.07

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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.