Home / 90,311,533.02-124,633,341.36-50,619,797.40

Finding the Fourth Proportional to 90,311,533.02, 124,633,341.36 and 50,619,797.40

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Solution

The fourth proportional to 90,311,533.02, 124,633,341.36 and 50,619,797.40 is: 69,857,240.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,311,533.02 : 124,633,341.36 = 50,619,797.40 : x
  2. Step 2: Convert to fraction form
    90,311,533.02/124,633,341.36 = 50,619,797.40/x
  3. Step 3: Cross multiply
    90,311,533.02x = 124,633,341.36 × 50,619,797.40
  4. Step 4: Simplify right side
    90,311,533.02x = 6,308,914,488,928,240
  5. Step 5: Solve for x
    x = 6,308,914,488,928,240/90,311,533.02
  6. Step 6: Final answer
    x = 69,857,240.58

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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.