Home / 55,078,000.74-76,007,221.56-30,297,655.35

Finding the Fourth Proportional to 55,078,000.74, 76,007,221.56 and 30,297,655.35

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Solution

The fourth proportional to 55,078,000.74, 76,007,221.56 and 30,297,655.35 is: 41,810,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,078,000.74 : 76,007,221.56 = 30,297,655.35 : x
  2. Step 2: Convert to fraction form
    55,078,000.74/76,007,221.56 = 30,297,655.35/x
  3. Step 3: Cross multiply
    55,078,000.74x = 76,007,221.56 × 30,297,655.35
  4. Step 4: Simplify right side
    55,078,000.74x = 2,302,840,602,935,969.50
  5. Step 5: Solve for x
    x = 2,302,840,602,935,969.50/55,078,000.74
  6. Step 6: Final answer
    x = 41,810,533.64

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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.