Home / 40,716,087.60-56,215,257.36-31,280,072.64

Finding the Fourth Proportional to 40,716,087.60, 56,215,257.36 and 31,280,072.64

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Solution

The fourth proportional to 40,716,087.60, 56,215,257.36 and 31,280,072.64 is: 43,187,286.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,716,087.60 : 56,215,257.36 = 31,280,072.64 : x
  2. Step 2: Convert to fraction form
    40,716,087.60/56,215,257.36 = 31,280,072.64/x
  3. Step 3: Cross multiply
    40,716,087.60x = 56,215,257.36 × 31,280,072.64
  4. Step 4: Simplify right side
    40,716,087.60x = 1,758,417,333,697,094.75
  5. Step 5: Solve for x
    x = 1,758,417,333,697,094.75/40,716,087.60
  6. Step 6: Final answer
    x = 43,187,286.34

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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.