Home / 92,772,070.45-139,158,105.68-87,481,280.05

Finding the Fourth Proportional to 92,772,070.45, 139,158,105.68 and 87,481,280.05

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Solution

The fourth proportional to 92,772,070.45, 139,158,105.68 and 87,481,280.05 is: 131,221,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772,070.45 : 139,158,105.68 = 87,481,280.05 : x
  2. Step 2: Convert to fraction form
    92,772,070.45/139,158,105.68 = 87,481,280.05/x
  3. Step 3: Cross multiply
    92,772,070.45x = 139,158,105.68 × 87,481,280.05
  4. Step 4: Simplify right side
    92,772,070.45x = 12,173,729,213,782,170
  5. Step 5: Solve for x
    x = 12,173,729,213,782,170/92,772,070.45
  6. Step 6: Final answer
    x = 131,221,920.08

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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.