Home / 56,850,881.94-78,454,451.88-30,745,399.23

Finding the Fourth Proportional to 56,850,881.94, 78,454,451.88 and 30,745,399.23

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Solution

The fourth proportional to 56,850,881.94, 78,454,451.88 and 30,745,399.23 is: 42,428,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,850,881.94 : 78,454,451.88 = 30,745,399.23 : x
  2. Step 2: Convert to fraction form
    56,850,881.94/78,454,451.88 = 30,745,399.23/x
  3. Step 3: Cross multiply
    56,850,881.94x = 78,454,451.88 × 30,745,399.23
  4. Step 4: Simplify right side
    56,850,881.94x = 2,412,113,444,421,424
  5. Step 5: Solve for x
    x = 2,412,113,444,421,424/56,850,881.94
  6. Step 6: Final answer
    x = 42,428,777.92

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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.