Home / 215,291,263.20-322,716,445.20-105,948,261.60

Finding the Fourth Proportional to 215,291,263.20, 322,716,445.20 and 105,948,261.60

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Solution

The fourth proportional to 215,291,263.20, 322,716,445.20 and 105,948,261.60 is: 158,813,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,291,263.20 : 322,716,445.20 = 105,948,261.60 : x
  2. Step 2: Convert to fraction form
    215,291,263.20/322,716,445.20 = 105,948,261.60/x
  3. Step 3: Cross multiply
    215,291,263.20x = 322,716,445.20 × 105,948,261.60
  4. Step 4: Simplify right side
    215,291,263.20x = 34,191,246,358,671,660
  5. Step 5: Solve for x
    x = 34,191,246,358,671,660/215,291,263.20
  6. Step 6: Final answer
    x = 158,813,905.64

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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.