Home / 256,019,494.84-353,268,897.21-155,495,621.32

Finding the Fourth Proportional to 256,019,494.84, 353,268,897.21 and 155,495,621.32

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Solution

The fourth proportional to 256,019,494.84, 353,268,897.21 and 155,495,621.32 is: 214,560,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,019,494.84 : 353,268,897.21 = 155,495,621.32 : x
  2. Step 2: Convert to fraction form
    256,019,494.84/353,268,897.21 = 155,495,621.32/x
  3. Step 3: Cross multiply
    256,019,494.84x = 353,268,897.21 × 155,495,621.32
  4. Step 4: Simplify right side
    256,019,494.84x = 54,931,766,663,816,984
  5. Step 5: Solve for x
    x = 54,931,766,663,816,984/256,019,494.84
  6. Step 6: Final answer
    x = 214,560,874.35

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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.