Home / 128,373,371.10-192,552,968.90-93,865,135.50

Finding the Fourth Proportional to 128,373,371.10, 192,552,968.90 and 93,865,135.50

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Solution

The fourth proportional to 128,373,371.10, 192,552,968.90 and 93,865,135.50 is: 140,792,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,373,371.10 : 192,552,968.90 = 93,865,135.50 : x
  2. Step 2: Convert to fraction form
    128,373,371.10/192,552,968.90 = 93,865,135.50/x
  3. Step 3: Cross multiply
    128,373,371.10x = 192,552,968.90 × 93,865,135.50
  4. Step 4: Simplify right side
    128,373,371.10x = 18,074,010,516,725,788
  5. Step 5: Solve for x
    x = 18,074,010,516,725,788/128,373,371.10
  6. Step 6: Final answer
    x = 140,792,520.77

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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.