Home / 163,358,916.92-244,890,063.30-81,502,831.16

Finding the Fourth Proportional to 163,358,916.92, 244,890,063.30 and 81,502,831.16

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Solution

The fourth proportional to 163,358,916.92, 244,890,063.30 and 81,502,831.16 is: 122,180,251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,358,916.92 : 244,890,063.30 = 81,502,831.16 : x
  2. Step 2: Convert to fraction form
    163,358,916.92/244,890,063.30 = 81,502,831.16/x
  3. Step 3: Cross multiply
    163,358,916.92x = 244,890,063.30 × 81,502,831.16
  4. Step 4: Simplify right side
    163,358,916.92x = 19,959,233,481,901,612
  5. Step 5: Solve for x
    x = 19,959,233,481,901,612/163,358,916.92
  6. Step 6: Final answer
    x = 122,180,251.06

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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.