Home / 215,811,238.80-323,716,858.20-70,258,515.60

Finding the Fourth Proportional to 215,811,238.80, 323,716,858.20 and 70,258,515.60

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Solution

The fourth proportional to 215,811,238.80, 323,716,858.20 and 70,258,515.60 is: 105,387,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,811,238.80 : 323,716,858.20 = 70,258,515.60 : x
  2. Step 2: Convert to fraction form
    215,811,238.80/323,716,858.20 = 70,258,515.60/x
  3. Step 3: Cross multiply
    215,811,238.80x = 323,716,858.20 × 70,258,515.60
  4. Step 4: Simplify right side
    215,811,238.80x = 22,743,865,931,827,684
  5. Step 5: Solve for x
    x = 22,743,865,931,827,684/215,811,238.80
  6. Step 6: Final answer
    x = 105,387,773.40

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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.