Home / 86,730,612.68-129,922,464.40-52,167,935.36

Finding the Fourth Proportional to 86,730,612.68, 129,922,464.40 and 52,167,935.36

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Solution

The fourth proportional to 86,730,612.68, 129,922,464.40 and 52,167,935.36 is: 78,147,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,730,612.68 : 129,922,464.40 = 52,167,935.36 : x
  2. Step 2: Convert to fraction form
    86,730,612.68/129,922,464.40 = 52,167,935.36/x
  3. Step 3: Cross multiply
    86,730,612.68x = 129,922,464.40 × 52,167,935.36
  4. Step 4: Simplify right side
    86,730,612.68x = 6,777,786,724,631,101
  5. Step 5: Solve for x
    x = 6,777,786,724,631,101/86,730,612.68
  6. Step 6: Final answer
    x = 78,147,571.14

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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.