Home / 86,923,373.84-119,955,210.66-47,765,160.72

Finding the Fourth Proportional to 86,923,373.84, 119,955,210.66 and 47,765,160.72

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Solution

The fourth proportional to 86,923,373.84, 119,955,210.66 and 47,765,160.72 is: 65,916,446.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,923,373.84 : 119,955,210.66 = 47,765,160.72 : x
  2. Step 2: Convert to fraction form
    86,923,373.84/119,955,210.66 = 47,765,160.72/x
  3. Step 3: Cross multiply
    86,923,373.84x = 119,955,210.66 × 47,765,160.72
  4. Step 4: Simplify right side
    86,923,373.84x = 5,729,679,916,376,357
  5. Step 5: Solve for x
    x = 5,729,679,916,376,357/86,923,373.84
  6. Step 6: Final answer
    x = 65,916,446.44

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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.