Home / 86,838,895.68-119,839,389.96-47,680,329.84

Finding the Fourth Proportional to 86,838,895.68, 119,839,389.96 and 47,680,329.84

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Solution

The fourth proportional to 86,838,895.68, 119,839,389.96 and 47,680,329.84 is: 65,799,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,838,895.68 : 119,839,389.96 = 47,680,329.84 : x
  2. Step 2: Convert to fraction form
    86,838,895.68/119,839,389.96 = 47,680,329.84/x
  3. Step 3: Cross multiply
    86,838,895.68x = 119,839,389.96 × 47,680,329.84
  4. Step 4: Simplify right side
    86,838,895.68x = 5,713,981,641,117,185
  5. Step 5: Solve for x
    x = 5,713,981,641,117,185/86,838,895.68
  6. Step 6: Final answer
    x = 65,799,796.24

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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.