Home / 52,191,060,757.46-78,254,552,052.80-20,282,476,628.74

Finding the Fourth Proportional to 52,191,060,757.46, 78,254,552,052.80 and 20,282,476,628.74

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Solution

The fourth proportional to 52,191,060,757.46, 78,254,552,052.80 and 20,282,476,628.74 is: 30,411,263,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,191,060,757.46 : 78,254,552,052.80 = 20,282,476,628.74 : x
  2. Step 2: Convert to fraction form
    52,191,060,757.46/78,254,552,052.80 = 20,282,476,628.74/x
  3. Step 3: Cross multiply
    52,191,060,757.46x = 78,254,552,052.80 × 20,282,476,628.74
  4. Step 4: Simplify right side
    52,191,060,757.46x = 1,587,196,123,103,434,113,024
  5. Step 5: Solve for x
    x = 1,587,196,123,103,434,113,024/52,191,060,757.46
  6. Step 6: Final answer
    x = 30,411,263,922.75

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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.