Home / 55,096,349.47-82,618,985.89-20,543,473.82

Finding the Fourth Proportional to 55,096,349.47, 82,618,985.89 and 20,543,473.82

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Solution

The fourth proportional to 55,096,349.47, 82,618,985.89 and 20,543,473.82 is: 30,805,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,096,349.47 : 82,618,985.89 = 20,543,473.82 : x
  2. Step 2: Convert to fraction form
    55,096,349.47/82,618,985.89 = 20,543,473.82/x
  3. Step 3: Cross multiply
    55,096,349.47x = 82,618,985.89 × 20,543,473.82
  4. Step 4: Simplify right side
    55,096,349.47x = 1,697,280,973,811,051
  5. Step 5: Solve for x
    x = 1,697,280,973,811,051/55,096,349.47
  6. Step 6: Final answer
    x = 30,805,688.40

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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.