Home / 99,822,074.70-149,733,112.05-28,018,490.70

Finding the Fourth Proportional to 99,822,074.70, 149,733,112.05 and 28,018,490.70

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Solution

The fourth proportional to 99,822,074.70, 149,733,112.05 and 28,018,490.70 is: 42,027,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,822,074.70 : 149,733,112.05 = 28,018,490.70 : x
  2. Step 2: Convert to fraction form
    99,822,074.70/149,733,112.05 = 28,018,490.70/x
  3. Step 3: Cross multiply
    99,822,074.70x = 149,733,112.05 × 28,018,490.70
  4. Step 4: Simplify right side
    99,822,074.70x = 4,195,295,807,454,983
  5. Step 5: Solve for x
    x = 4,195,295,807,454,983/99,822,074.70
  6. Step 6: Final answer
    x = 42,027,736.05

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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.