Home / 220,680,007.20-331,020,010.80-186,242,630.40

Finding the Fourth Proportional to 220,680,007.20, 331,020,010.80 and 186,242,630.40

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Solution

The fourth proportional to 220,680,007.20, 331,020,010.80 and 186,242,630.40 is: 279,363,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,680,007.20 : 331,020,010.80 = 186,242,630.40 : x
  2. Step 2: Convert to fraction form
    220,680,007.20/331,020,010.80 = 186,242,630.40/x
  3. Step 3: Cross multiply
    220,680,007.20x = 331,020,010.80 × 186,242,630.40
  4. Step 4: Simplify right side
    220,680,007.20x = 61,650,037,526,428,416
  5. Step 5: Solve for x
    x = 61,650,037,526,428,416/220,680,007.20
  6. Step 6: Final answer
    x = 279,363,945.60

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1.5x scale

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.