Home / 215,366,986.40-323,097,718.80-106,244,434.40

Finding the Fourth Proportional to 215,366,986.40, 323,097,718.80 and 106,244,434.40

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Solution

The fourth proportional to 215,366,986.40, 323,097,718.80 and 106,244,434.40 is: 159,389,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,366,986.40 : 323,097,718.80 = 106,244,434.40 : x
  2. Step 2: Convert to fraction form
    215,366,986.40/323,097,718.80 = 106,244,434.40/x
  3. Step 3: Cross multiply
    215,366,986.40x = 323,097,718.80 × 106,244,434.40
  4. Step 4: Simplify right side
    215,366,986.40x = 34,327,334,389,836,248
  5. Step 5: Solve for x
    x = 34,327,334,389,836,248/215,366,986.40
  6. Step 6: Final answer
    x = 159,389,955.55

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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.