Home / 122,410,582.72-168,926,606.40-67,406,306.56

Finding the Fourth Proportional to 122,410,582.72, 168,926,606.40 and 67,406,306.56

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Solution

The fourth proportional to 122,410,582.72, 168,926,606.40 and 67,406,306.56 is: 93,020,704.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,410,582.72 : 168,926,606.40 = 67,406,306.56 : x
  2. Step 2: Convert to fraction form
    122,410,582.72/168,926,606.40 = 67,406,306.56/x
  3. Step 3: Cross multiply
    122,410,582.72x = 168,926,606.40 × 67,406,306.56
  4. Step 4: Simplify right side
    122,410,582.72x = 11,386,718,617,138,858
  5. Step 5: Solve for x
    x = 11,386,718,617,138,858/122,410,582.72
  6. Step 6: Final answer
    x = 93,020,704.29

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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.