Home / 146,706,789.60-220,060,184.40-70,179,285.60

Finding the Fourth Proportional to 146,706,789.60, 220,060,184.40 and 70,179,285.60

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Solution

The fourth proportional to 146,706,789.60, 220,060,184.40 and 70,179,285.60 is: 105,268,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,706,789.60 : 220,060,184.40 = 70,179,285.60 : x
  2. Step 2: Convert to fraction form
    146,706,789.60/220,060,184.40 = 70,179,285.60/x
  3. Step 3: Cross multiply
    146,706,789.60x = 220,060,184.40 × 70,179,285.60
  4. Step 4: Simplify right side
    146,706,789.60x = 15,443,666,530,196,264
  5. Step 5: Solve for x
    x = 15,443,666,530,196,264/146,706,789.60
  6. Step 6: Final answer
    x = 105,268,928.40

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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.