Home / 122,527,479.48-169,087,951.62-66,772,916.34

Finding the Fourth Proportional to 122,527,479.48, 169,087,951.62 and 66,772,916.34

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Solution

The fourth proportional to 122,527,479.48, 169,087,951.62 and 66,772,916.34 is: 92,146,640.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,527,479.48 : 169,087,951.62 = 66,772,916.34 : x
  2. Step 2: Convert to fraction form
    122,527,479.48/169,087,951.62 = 66,772,916.34/x
  3. Step 3: Cross multiply
    122,527,479.48x = 169,087,951.62 × 66,772,916.34
  4. Step 4: Simplify right side
    122,527,479.48x = 11,290,495,647,624,228
  5. Step 5: Solve for x
    x = 11,290,495,647,624,228/122,527,479.48
  6. Step 6: Final answer
    x = 92,146,640.86

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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.