Home / 84,034,349.50-116,063,061.72-56,484,448.06

Finding the Fourth Proportional to 84,034,349.50, 116,063,061.72 and 56,484,448.06

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Solution

The fourth proportional to 84,034,349.50, 116,063,061.72 and 56,484,448.06 is: 78,012,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,034,349.50 : 116,063,061.72 = 56,484,448.06 : x
  2. Step 2: Convert to fraction form
    84,034,349.50/116,063,061.72 = 56,484,448.06/x
  3. Step 3: Cross multiply
    84,034,349.50x = 116,063,061.72 × 56,484,448.06
  4. Step 4: Simplify right side
    84,034,349.50x = 6,555,757,981,407,914
  5. Step 5: Solve for x
    x = 6,555,757,981,407,914/84,034,349.50
  6. Step 6: Final answer
    x = 78,012,836.66

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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.