Home / 131,048,766.52-180,847,085.58-72,311,387.32

Finding the Fourth Proportional to 131,048,766.52, 180,847,085.58 and 72,311,387.32

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Solution

The fourth proportional to 131,048,766.52, 180,847,085.58 and 72,311,387.32 is: 99,789,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,048,766.52 : 180,847,085.58 = 72,311,387.32 : x
  2. Step 2: Convert to fraction form
    131,048,766.52/180,847,085.58 = 72,311,387.32/x
  3. Step 3: Cross multiply
    131,048,766.52x = 180,847,085.58 × 72,311,387.32
  4. Step 4: Simplify right side
    131,048,766.52x = 13,077,303,651,068,566
  5. Step 5: Solve for x
    x = 13,077,303,651,068,566/131,048,766.52
  6. Step 6: Final answer
    x = 99,789,597.40

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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.