Home / 159,489,826.02-220,096,056.33-86,151,000.42

Finding the Fourth Proportional to 159,489,826.02, 220,096,056.33 and 86,151,000.42

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Solution

The fourth proportional to 159,489,826.02, 220,096,056.33 and 86,151,000.42 is: 118,888,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,489,826.02 : 220,096,056.33 = 86,151,000.42 : x
  2. Step 2: Convert to fraction form
    159,489,826.02/220,096,056.33 = 86,151,000.42/x
  3. Step 3: Cross multiply
    159,489,826.02x = 220,096,056.33 × 86,151,000.42
  4. Step 4: Simplify right side
    159,489,826.02x = 18,961,495,441,326,176
  5. Step 5: Solve for x
    x = 18,961,495,441,326,176/159,489,826.02
  6. Step 6: Final answer
    x = 118,888,432.66

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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.