Home / 86,956,256.88-130,455,741.48-43,257,634.92

Finding the Fourth Proportional to 86,956,256.88, 130,455,741.48 and 43,257,634.92

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Solution

The fourth proportional to 86,956,256.88, 130,455,741.48 and 43,257,634.92 is: 64,897,076.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,956,256.88 : 130,455,741.48 = 43,257,634.92 : x
  2. Step 2: Convert to fraction form
    86,956,256.88/130,455,741.48 = 43,257,634.92/x
  3. Step 3: Cross multiply
    86,956,256.88x = 130,455,741.48 × 43,257,634.92
  4. Step 4: Simplify right side
    86,956,256.88x = 5,643,206,838,159,741
  5. Step 5: Solve for x
    x = 5,643,206,838,159,741/86,956,256.88
  6. Step 6: Final answer
    x = 64,897,076.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.