Home / 86,838,792.63-119,839,247.77-47,680,226.84

Finding the Fourth Proportional to 86,838,792.63, 119,839,247.77 and 47,680,226.84

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Solution

The fourth proportional to 86,838,792.63, 119,839,247.77 and 47,680,226.84 is: 65,799,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,838,792.63 : 119,839,247.77 = 47,680,226.84 : x
  2. Step 2: Convert to fraction form
    86,838,792.63/119,839,247.77 = 47,680,226.84/x
  3. Step 3: Cross multiply
    86,838,792.63x = 119,839,247.77 × 47,680,226.84
  4. Step 4: Simplify right side
    86,838,792.63x = 5,713,962,518,008,564
  5. Step 5: Solve for x
    x = 5,713,962,518,008,564/86,838,792.63
  6. Step 6: Final answer
    x = 65,799,654.11

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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.