Home / 256,432,487.76-384,651,686.52-92,682,680.40

Finding the Fourth Proportional to 256,432,487.76, 384,651,686.52 and 92,682,680.40

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Solution

The fourth proportional to 256,432,487.76, 384,651,686.52 and 92,682,680.40 is: 139,025,088.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,432,487.76 : 384,651,686.52 = 92,682,680.40 : x
  2. Step 2: Convert to fraction form
    256,432,487.76/384,651,686.52 = 92,682,680.40/x
  3. Step 3: Cross multiply
    256,432,487.76x = 384,651,686.52 × 92,682,680.40
  4. Step 4: Simplify right side
    256,432,487.76x = 35,650,549,327,054,148
  5. Step 5: Solve for x
    x = 35,650,549,327,054,148/256,432,487.76
  6. Step 6: Final answer
    x = 139,025,088.59

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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.