Home / 86,141,124.81-129,196,345.41-34,321,384.53

Finding the Fourth Proportional to 86,141,124.81, 129,196,345.41 and 34,321,384.53

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Solution

The fourth proportional to 86,141,124.81, 129,196,345.41 and 34,321,384.53 is: 51,475,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,141,124.81 : 129,196,345.41 = 34,321,384.53 : x
  2. Step 2: Convert to fraction form
    86,141,124.81/129,196,345.41 = 34,321,384.53/x
  3. Step 3: Cross multiply
    86,141,124.81x = 129,196,345.41 × 34,321,384.53
  4. Step 4: Simplify right side
    86,141,124.81x = 4,434,197,450,687,310.50
  5. Step 5: Solve for x
    x = 4,434,197,450,687,310.50/86,141,124.81
  6. Step 6: Final answer
    x = 51,475,964.13

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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.