Home / 52,153,249.08-78,227,943.22-21,042,360.84

Finding the Fourth Proportional to 52,153,249.08, 78,227,943.22 and 21,042,360.84

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Solution

The fourth proportional to 52,153,249.08, 78,227,943.22 and 21,042,360.84 is: 31,562,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,153,249.08 : 78,227,943.22 = 21,042,360.84 : x
  2. Step 2: Convert to fraction form
    52,153,249.08/78,227,943.22 = 21,042,360.84/x
  3. Step 3: Cross multiply
    52,153,249.08x = 78,227,943.22 × 21,042,360.84
  4. Step 4: Simplify right side
    52,153,249.08x = 1,646,100,609,006,271.50
  5. Step 5: Solve for x
    x = 1,646,100,609,006,271.50/52,153,249.08
  6. Step 6: Final answer
    x = 31,562,762.40

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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.