Home / 152,521,609.89-207,663,993.66-152,037,334.28

Finding the Fourth Proportional to 152,521,609.89, 207,663,993.66 and 152,037,334.28

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Solution

The fourth proportional to 152,521,609.89, 207,663,993.66 and 152,037,334.28 is: 207,004,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,521,609.89 : 207,663,993.66 = 152,037,334.28 : x
  2. Step 2: Convert to fraction form
    152,521,609.89/207,663,993.66 = 152,037,334.28/x
  3. Step 3: Cross multiply
    152,521,609.89x = 207,663,993.66 × 152,037,334.28
  4. Step 4: Simplify right side
    152,521,609.89x = 31,572,680,021,069,404
  5. Step 5: Solve for x
    x = 31,572,680,021,069,404/152,521,609.89
  6. Step 6: Final answer
    x = 207,004,633.93

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.