Home / 146,779,809.20-220,311,431.40-89,384,181.20

Finding the Fourth Proportional to 146,779,809.20, 220,311,431.40 and 89,384,181.20

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Solution

The fourth proportional to 146,779,809.20, 220,311,431.40 and 89,384,181.20 is: 134,162,573.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,779,809.20 : 220,311,431.40 = 89,384,181.20 : x
  2. Step 2: Convert to fraction form
    146,779,809.20/220,311,431.40 = 89,384,181.20/x
  3. Step 3: Cross multiply
    146,779,809.20x = 220,311,431.40 × 89,384,181.20
  4. Step 4: Simplify right side
    146,779,809.20x = 19,692,356,904,688,972
  5. Step 5: Solve for x
    x = 19,692,356,904,688,972/146,779,809.20
  6. Step 6: Final answer
    x = 134,162,573.26

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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.