Home / 118,088,909.21-177,121,404.34-31,836,034.91

Finding the Fourth Proportional to 118,088,909.21, 177,121,404.34 and 31,836,034.91

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Solution

The fourth proportional to 118,088,909.21, 177,121,404.34 and 31,836,034.91 is: 47,750,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,088,909.21 : 177,121,404.34 = 31,836,034.91 : x
  2. Step 2: Convert to fraction form
    118,088,909.21/177,121,404.34 = 31,836,034.91/x
  3. Step 3: Cross multiply
    118,088,909.21x = 177,121,404.34 × 31,836,034.91
  4. Step 4: Simplify right side
    118,088,909.21x = 5,638,843,212,239,679
  5. Step 5: Solve for x
    x = 5,638,843,212,239,679/118,088,909.21
  6. Step 6: Final answer
    x = 47,750,828.17

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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.