Home / 89,303,531.80-133,955,297.70-88,109,138.20

Finding the Fourth Proportional to 89,303,531.80, 133,955,297.70 and 88,109,138.20

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Solution

The fourth proportional to 89,303,531.80, 133,955,297.70 and 88,109,138.20 is: 132,163,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,303,531.80 : 133,955,297.70 = 88,109,138.20 : x
  2. Step 2: Convert to fraction form
    89,303,531.80/133,955,297.70 = 88,109,138.20/x
  3. Step 3: Cross multiply
    89,303,531.80x = 133,955,297.70 × 88,109,138.20
  4. Step 4: Simplify right side
    89,303,531.80x = 11,802,685,837,671,442
  5. Step 5: Solve for x
    x = 11,802,685,837,671,442/89,303,531.80
  6. Step 6: Final answer
    x = 132,163,707.30

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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.