Home / 86,352,327-130,111,097.22-71,336,018.88

Finding the Fourth Proportional to 86,352,327, 130,111,097.22 and 71,336,018.88

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Solution

The fourth proportional to 86,352,327, 130,111,097.22 and 71,336,018.88 is: 107,485,322.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,352,327 : 130,111,097.22 = 71,336,018.88 : x
  2. Step 2: Convert to fraction form
    86,352,327/130,111,097.22 = 71,336,018.88/x
  3. Step 3: Cross multiply
    86,352,327x = 130,111,097.22 × 71,336,018.88
  4. Step 4: Simplify right side
    86,352,327x = 9,281,607,687,783,434
  5. Step 5: Solve for x
    x = 9,281,607,687,783,434/86,352,327
  6. Step 6: Final answer
    x = 107,485,322.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.