Home / 140,963,750.58-211,653,190.62-78,836,785.76

Finding the Fourth Proportional to 140,963,750.58, 211,653,190.62 and 78,836,785.76

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Solution

The fourth proportional to 140,963,750.58, 211,653,190.62 and 78,836,785.76 is: 118,371,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,963,750.58 : 211,653,190.62 = 78,836,785.76 : x
  2. Step 2: Convert to fraction form
    140,963,750.58/211,653,190.62 = 78,836,785.76/x
  3. Step 3: Cross multiply
    140,963,750.58x = 211,653,190.62 × 78,836,785.76
  4. Step 4: Simplify right side
    140,963,750.58x = 16,686,057,243,935,200
  5. Step 5: Solve for x
    x = 16,686,057,243,935,200/140,963,750.58
  6. Step 6: Final answer
    x = 118,371,263.36

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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.