Home / 145,442,222,449.92-200,848,885,856.64-137,518,621,320.96

Finding the Fourth Proportional to 145,442,222,449.92, 200,848,885,856.64 and 137,518,621,320.96

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Solution

The fourth proportional to 145,442,222,449.92, 200,848,885,856.64 and 137,518,621,320.96 is: 189,906,764,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,442,222,449.92 : 200,848,885,856.64 = 137,518,621,320.96 : x
  2. Step 2: Convert to fraction form
    145,442,222,449.92/200,848,885,856.64 = 137,518,621,320.96/x
  3. Step 3: Cross multiply
    145,442,222,449.92x = 200,848,885,856.64 × 137,518,621,320.96
  4. Step 4: Simplify right side
    145,442,222,449.92x = 27,620,461,876,855,997,202,432
  5. Step 5: Solve for x
    x = 27,620,461,876,855,997,202,432/145,442,222,449.92
  6. Step 6: Final answer
    x = 189,906,764,429.20

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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.