Home / 31,912,704,069.60-47,869,056,104.40-20,158,079,455.20

Finding the Fourth Proportional to 31,912,704,069.60, 47,869,056,104.40 and 20,158,079,455.20

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Solution

The fourth proportional to 31,912,704,069.60, 47,869,056,104.40 and 20,158,079,455.20 is: 30,237,119,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912,704,069.60 : 47,869,056,104.40 = 20,158,079,455.20 : x
  2. Step 2: Convert to fraction form
    31,912,704,069.60/47,869,056,104.40 = 20,158,079,455.20/x
  3. Step 3: Cross multiply
    31,912,704,069.60x = 47,869,056,104.40 × 20,158,079,455.20
  4. Step 4: Simplify right side
    31,912,704,069.60x = 964,948,236,397,921,828,864
  5. Step 5: Solve for x
    x = 964,948,236,397,921,828,864/31,912,704,069.60
  6. Step 6: Final answer
    x = 30,237,119,182.80

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1.5x scale

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.