Home / 158,836,620.84-219,126,543.68-99,194,373

Finding the Fourth Proportional to 158,836,620.84, 219,126,543.68 and 99,194,373

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Solution

The fourth proportional to 158,836,620.84, 219,126,543.68 and 99,194,373 is: 136,845,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,836,620.84 : 219,126,543.68 = 99,194,373 : x
  2. Step 2: Convert to fraction form
    158,836,620.84/219,126,543.68 = 99,194,373/x
  3. Step 3: Cross multiply
    158,836,620.84x = 219,126,543.68 × 99,194,373
  4. Step 4: Simplify right side
    158,836,620.84x = 21,736,120,107,498,740
  5. Step 5: Solve for x
    x = 21,736,120,107,498,740/158,836,620.84
  6. Step 6: Final answer
    x = 136,845,772.67

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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.