Home / 313,552,633.32-432,726,838.92-188,109,527.40

Finding the Fourth Proportional to 313,552,633.32, 432,726,838.92 and 188,109,527.40

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Solution

The fourth proportional to 313,552,633.32, 432,726,838.92 and 188,109,527.40 is: 259,605,669.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,552,633.32 : 432,726,838.92 = 188,109,527.40 : x
  2. Step 2: Convert to fraction form
    313,552,633.32/432,726,838.92 = 188,109,527.40/x
  3. Step 3: Cross multiply
    313,552,633.32x = 432,726,838.92 × 188,109,527.40
  4. Step 4: Simplify right side
    313,552,633.32x = 81,400,041,162,537,136
  5. Step 5: Solve for x
    x = 81,400,041,162,537,136/313,552,633.32
  6. Step 6: Final answer
    x = 259,605,669.07

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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.