Home / 66,305,150.19-90,838,496.95-63,819,982.81

Finding the Fourth Proportional to 66,305,150.19, 90,838,496.95 and 63,819,982.81

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Solution

The fourth proportional to 66,305,150.19, 90,838,496.95 and 63,819,982.81 is: 87,433,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,305,150.19 : 90,838,496.95 = 63,819,982.81 : x
  2. Step 2: Convert to fraction form
    66,305,150.19/90,838,496.95 = 63,819,982.81/x
  3. Step 3: Cross multiply
    66,305,150.19x = 90,838,496.95 × 63,819,982.81
  4. Step 4: Simplify right side
    66,305,150.19x = 5,797,311,313,994,788
  5. Step 5: Solve for x
    x = 5,797,311,313,994,788/66,305,150.19
  6. Step 6: Final answer
    x = 87,433,801.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.