Home / 67,005,421.73-100,199,574.36-63,736,561.35

Finding the Fourth Proportional to 67,005,421.73, 100,199,574.36 and 63,736,561.35

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Solution

The fourth proportional to 67,005,421.73, 100,199,574.36 and 63,736,561.35 is: 95,311,336.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,005,421.73 : 100,199,574.36 = 63,736,561.35 : x
  2. Step 2: Convert to fraction form
    67,005,421.73/100,199,574.36 = 63,736,561.35/x
  3. Step 3: Cross multiply
    67,005,421.73x = 100,199,574.36 × 63,736,561.35
  4. Step 4: Simplify right side
    67,005,421.73x = 6,386,376,318,440,027
  5. Step 5: Solve for x
    x = 6,386,376,318,440,027/67,005,421.73
  6. Step 6: Final answer
    x = 95,311,336.81

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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.