Home / 92,772,061.20-139,158,091.80-87,481,270.80

Finding the Fourth Proportional to 92,772,061.20, 139,158,091.80 and 87,481,270.80

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Solution

The fourth proportional to 92,772,061.20, 139,158,091.80 and 87,481,270.80 is: 131,221,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772,061.20 : 139,158,091.80 = 87,481,270.80 : x
  2. Step 2: Convert to fraction form
    92,772,061.20/139,158,091.80 = 87,481,270.80/x
  3. Step 3: Cross multiply
    92,772,061.20x = 139,158,091.80 × 87,481,270.80
  4. Step 4: Simplify right side
    92,772,061.20x = 12,173,726,712,767,060
  5. Step 5: Solve for x
    x = 12,173,726,712,767,060/92,772,061.20
  6. Step 6: Final answer
    x = 131,221,906.20

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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.