Home / 52,486,775.84-78,765,280.68-21,781,354.16

Finding the Fourth Proportional to 52,486,775.84, 78,765,280.68 and 21,781,354.16

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Solution

The fourth proportional to 52,486,775.84, 78,765,280.68 and 21,781,354.16 is: 32,686,604.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,486,775.84 : 78,765,280.68 = 21,781,354.16 : x
  2. Step 2: Convert to fraction form
    52,486,775.84/78,765,280.68 = 21,781,354.16/x
  3. Step 3: Cross multiply
    52,486,775.84x = 78,765,280.68 × 21,781,354.16
  4. Step 4: Simplify right side
    52,486,775.84x = 1,715,614,474,002,885.75
  5. Step 5: Solve for x
    x = 1,715,614,474,002,885.75/52,486,775.84
  6. Step 6: Final answer
    x = 32,686,604.32

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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.