Home / 131,048,765.52-180,847,084.20-72,311,386.32

Finding the Fourth Proportional to 131,048,765.52, 180,847,084.20 and 72,311,386.32

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Solution

The fourth proportional to 131,048,765.52, 180,847,084.20 and 72,311,386.32 is: 99,789,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,048,765.52 : 180,847,084.20 = 72,311,386.32 : x
  2. Step 2: Convert to fraction form
    131,048,765.52/180,847,084.20 = 72,311,386.32/x
  3. Step 3: Cross multiply
    131,048,765.52x = 180,847,084.20 × 72,311,386.32
  4. Step 4: Simplify right side
    131,048,765.52x = 13,077,303,370,431,766
  5. Step 5: Solve for x
    x = 13,077,303,370,431,766/131,048,765.52
  6. Step 6: Final answer
    x = 99,789,596.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.