Home / 146,861,115.40-220,461,384.30-78,836,667.40

Finding the Fourth Proportional to 146,861,115.40, 220,461,384.30 and 78,836,667.40

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Solution

The fourth proportional to 146,861,115.40, 220,461,384.30 and 78,836,667.40 is: 118,346,103.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,861,115.40 : 220,461,384.30 = 78,836,667.40 : x
  2. Step 2: Convert to fraction form
    146,861,115.40/220,461,384.30 = 78,836,667.40/x
  3. Step 3: Cross multiply
    146,861,115.40x = 220,461,384.30 × 78,836,667.40
  4. Step 4: Simplify right side
    146,861,115.40x = 17,380,440,828,602,684
  5. Step 5: Solve for x
    x = 17,380,440,828,602,684/146,861,115.40
  6. Step 6: Final answer
    x = 118,346,103.94

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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.