Home / 47,954,178.24-66,182,826.96-31,448,189.40

Finding the Fourth Proportional to 47,954,178.24, 66,182,826.96 and 31,448,189.40

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Solution

The fourth proportional to 47,954,178.24, 66,182,826.96 and 31,448,189.40 is: 43,402,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,954,178.24 : 66,182,826.96 = 31,448,189.40 : x
  2. Step 2: Convert to fraction form
    47,954,178.24/66,182,826.96 = 31,448,189.40/x
  3. Step 3: Cross multiply
    47,954,178.24x = 66,182,826.96 × 31,448,189.40
  4. Step 4: Simplify right side
    47,954,178.24x = 2,081,330,077,265,506.25
  5. Step 5: Solve for x
    x = 2,081,330,077,265,506.25/47,954,178.24
  6. Step 6: Final answer
    x = 43,402,476.15

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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.