Home / 256,123,432.50-384,195,777.62-74,370,610.50

Finding the Fourth Proportional to 256,123,432.50, 384,195,777.62 and 74,370,610.50

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Solution

The fourth proportional to 256,123,432.50, 384,195,777.62 and 74,370,610.50 is: 111,559,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,123,432.50 : 384,195,777.62 = 74,370,610.50 : x
  2. Step 2: Convert to fraction form
    256,123,432.50/384,195,777.62 = 74,370,610.50/x
  3. Step 3: Cross multiply
    256,123,432.50x = 384,195,777.62 × 74,370,610.50
  4. Step 4: Simplify right side
    256,123,432.50x = 28,572,874,532,749,784
  5. Step 5: Solve for x
    x = 28,572,874,532,749,784/256,123,432.50
  6. Step 6: Final answer
    x = 111,559,002.06

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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.