Home / 108,942,433.79-150,255,509.69-69,787,851.08

Finding the Fourth Proportional to 108,942,433.79, 150,255,509.69 and 69,787,851.08

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Solution

The fourth proportional to 108,942,433.79, 150,255,509.69 and 69,787,851.08 is: 96,252,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,942,433.79 : 150,255,509.69 = 69,787,851.08 : x
  2. Step 2: Convert to fraction form
    108,942,433.79/150,255,509.69 = 69,787,851.08/x
  3. Step 3: Cross multiply
    108,942,433.79x = 150,255,509.69 × 69,787,851.08
  4. Step 4: Simplify right side
    108,942,433.79x = 10,486,009,133,618,410
  5. Step 5: Solve for x
    x = 10,486,009,133,618,410/108,942,433.79
  6. Step 6: Final answer
    x = 96,252,752.66

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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.