Home / 100,292,834.64-138,423,960.56-65,054,310.48

Finding the Fourth Proportional to 100,292,834.64, 138,423,960.56 and 65,054,310.48

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Solution

The fourth proportional to 100,292,834.64, 138,423,960.56 and 65,054,310.48 is: 89,787,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,292,834.64 : 138,423,960.56 = 65,054,310.48 : x
  2. Step 2: Convert to fraction form
    100,292,834.64/138,423,960.56 = 65,054,310.48/x
  3. Step 3: Cross multiply
    100,292,834.64x = 138,423,960.56 × 65,054,310.48
  4. Step 4: Simplify right side
    100,292,834.64x = 9,005,075,308,141,514
  5. Step 5: Solve for x
    x = 9,005,075,308,141,514/100,292,834.64
  6. Step 6: Final answer
    x = 89,787,823.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.