Home / 239,243,217.54-358,859,661.51-66,715,438.98

Finding the Fourth Proportional to 239,243,217.54, 358,859,661.51 and 66,715,438.98

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Solution

The fourth proportional to 239,243,217.54, 358,859,661.51 and 66,715,438.98 is: 100,071,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,243,217.54 : 358,859,661.51 = 66,715,438.98 : x
  2. Step 2: Convert to fraction form
    239,243,217.54/358,859,661.51 = 66,715,438.98/x
  3. Step 3: Cross multiply
    239,243,217.54x = 358,859,661.51 × 66,715,438.98
  4. Step 4: Simplify right side
    239,243,217.54x = 23,941,479,849,853,856
  5. Step 5: Solve for x
    x = 23,941,479,849,853,856/239,243,217.54
  6. Step 6: Final answer
    x = 100,071,718.21

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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.