Home / 56,368,846.89-84,566,703.78-19,980,417.42

Finding the Fourth Proportional to 56,368,846.89, 84,566,703.78 and 19,980,417.42

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Solution

The fourth proportional to 56,368,846.89, 84,566,703.78 and 19,980,417.42 is: 29,975,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,368,846.89 : 84,566,703.78 = 19,980,417.42 : x
  2. Step 2: Convert to fraction form
    56,368,846.89/84,566,703.78 = 19,980,417.42/x
  3. Step 3: Cross multiply
    56,368,846.89x = 84,566,703.78 × 19,980,417.42
  4. Step 4: Simplify right side
    56,368,846.89x = 1,689,678,041,357,892
  5. Step 5: Solve for x
    x = 1,689,678,041,357,892/56,368,846.89
  6. Step 6: Final answer
    x = 29,975,387.73

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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.