Home / 147,240,987.27-203,201,653.50-81,161,336.72

Finding the Fourth Proportional to 147,240,987.27, 203,201,653.50 and 81,161,336.72

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Solution

The fourth proportional to 147,240,987.27, 203,201,653.50 and 81,161,336.72 is: 112,007,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,240,987.27 : 203,201,653.50 = 81,161,336.72 : x
  2. Step 2: Convert to fraction form
    147,240,987.27/203,201,653.50 = 81,161,336.72/x
  3. Step 3: Cross multiply
    147,240,987.27x = 203,201,653.50 × 81,161,336.72
  4. Step 4: Simplify right side
    147,240,987.27x = 16,492,117,820,758,258
  5. Step 5: Solve for x
    x = 16,492,117,820,758,258/147,240,987.27
  6. Step 6: Final answer
    x = 112,007,655.79

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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.