Home / 268,688,274.08-402,612,507.12-186,966,820.04

Finding the Fourth Proportional to 268,688,274.08, 402,612,507.12 and 186,966,820.04

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Solution

The fourth proportional to 268,688,274.08, 402,612,507.12 and 186,966,820.04 is: 280,158,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,688,274.08 : 402,612,507.12 = 186,966,820.04 : x
  2. Step 2: Convert to fraction form
    268,688,274.08/402,612,507.12 = 186,966,820.04/x
  3. Step 3: Cross multiply
    268,688,274.08x = 402,612,507.12 × 186,966,820.04
  4. Step 4: Simplify right side
    268,688,274.08x = 75,275,180,164,558,256
  5. Step 5: Solve for x
    x = 75,275,180,164,558,256/268,688,274.08
  6. Step 6: Final answer
    x = 280,158,039.73

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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.