Home / 215,687,064.80-323,530,597.20-100,683,232.40

Finding the Fourth Proportional to 215,687,064.80, 323,530,597.20 and 100,683,232.40

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Solution

The fourth proportional to 215,687,064.80, 323,530,597.20 and 100,683,232.40 is: 151,024,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,687,064.80 : 323,530,597.20 = 100,683,232.40 : x
  2. Step 2: Convert to fraction form
    215,687,064.80/323,530,597.20 = 100,683,232.40/x
  3. Step 3: Cross multiply
    215,687,064.80x = 323,530,597.20 × 100,683,232.40
  4. Step 4: Simplify right side
    215,687,064.80x = 32,574,106,306,398,392
  5. Step 5: Solve for x
    x = 32,574,106,306,398,392/215,687,064.80
  6. Step 6: Final answer
    x = 151,024,848.60

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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.