Home / 54,010,585,320.42-80,984,474,426.03-20,436,801,411.45

Finding the Fourth Proportional to 54,010,585,320.42, 80,984,474,426.03 and 20,436,801,411.45

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Solution

The fourth proportional to 54,010,585,320.42, 80,984,474,426.03 and 20,436,801,411.45 is: 30,643,319,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,010,585,320.42 : 80,984,474,426.03 = 20,436,801,411.45 : x
  2. Step 2: Convert to fraction form
    54,010,585,320.42/80,984,474,426.03 = 20,436,801,411.45/x
  3. Step 3: Cross multiply
    54,010,585,320.42x = 80,984,474,426.03 × 20,436,801,411.45
  4. Step 4: Simplify right side
    54,010,585,320.42x = 1,655,063,621,255,426,473,984
  5. Step 5: Solve for x
    x = 1,655,063,621,255,426,473,984/54,010,585,320.42
  6. Step 6: Final answer
    x = 30,643,319,479.63

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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.