Home / 123,163,624.62-169,958,886.39-67,408,931.07

Finding the Fourth Proportional to 123,163,624.62, 169,958,886.39 and 67,408,931.07

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Solution

The fourth proportional to 123,163,624.62, 169,958,886.39 and 67,408,931.07 is: 93,020,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,163,624.62 : 169,958,886.39 = 67,408,931.07 : x
  2. Step 2: Convert to fraction form
    123,163,624.62/169,958,886.39 = 67,408,931.07/x
  3. Step 3: Cross multiply
    123,163,624.62x = 169,958,886.39 × 67,408,931.07
  4. Step 4: Simplify right side
    123,163,624.62x = 11,456,746,857,397,468
  5. Step 5: Solve for x
    x = 11,456,746,857,397,468/123,163,624.62
  6. Step 6: Final answer
    x = 93,020,539.89

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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.