Home / 186,528,658.85-279,792,988.28-147,561,567.65

Finding the Fourth Proportional to 186,528,658.85, 279,792,988.28 and 147,561,567.65

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Solution

The fourth proportional to 186,528,658.85, 279,792,988.28 and 147,561,567.65 is: 221,342,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,528,658.85 : 279,792,988.28 = 147,561,567.65 : x
  2. Step 2: Convert to fraction form
    186,528,658.85/279,792,988.28 = 147,561,567.65/x
  3. Step 3: Cross multiply
    186,528,658.85x = 279,792,988.28 × 147,561,567.65
  4. Step 4: Simplify right side
    186,528,658.85x = 41,286,691,967,337,064
  5. Step 5: Solve for x
    x = 41,286,691,967,337,064/186,528,658.85
  6. Step 6: Final answer
    x = 221,342,351.48

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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.