Home / 142,165,957.48-213,327,624.48-69,383,341.06

Finding the Fourth Proportional to 142,165,957.48, 213,327,624.48 and 69,383,341.06

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Solution

The fourth proportional to 142,165,957.48, 213,327,624.48 and 69,383,341.06 is: 104,113,414.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,165,957.48 : 213,327,624.48 = 69,383,341.06 : x
  2. Step 2: Convert to fraction form
    142,165,957.48/213,327,624.48 = 69,383,341.06/x
  3. Step 3: Cross multiply
    142,165,957.48x = 213,327,624.48 × 69,383,341.06
  4. Step 4: Simplify right side
    142,165,957.48x = 14,801,383,326,021,246
  5. Step 5: Solve for x
    x = 14,801,383,326,021,246/142,165,957.48
  6. Step 6: Final answer
    x = 104,113,414.97

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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.