Home / 146,774,504.10-220,161,756.15-78,750,056.10

Finding the Fourth Proportional to 146,774,504.10, 220,161,756.15 and 78,750,056.10

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Solution

The fourth proportional to 146,774,504.10, 220,161,756.15 and 78,750,056.10 is: 118,125,084.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,774,504.10 : 220,161,756.15 = 78,750,056.10 : x
  2. Step 2: Convert to fraction form
    146,774,504.10/220,161,756.15 = 78,750,056.10/x
  3. Step 3: Cross multiply
    146,774,504.10x = 220,161,756.15 × 78,750,056.10
  4. Step 4: Simplify right side
    146,774,504.10x = 17,337,750,647,887,020
  5. Step 5: Solve for x
    x = 17,337,750,647,887,020/146,774,504.10
  6. Step 6: Final answer
    x = 118,125,084.15

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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.