Home / 198,925,690,155.96-298,543,269,298.86-138,844,036,814.52

Finding the Fourth Proportional to 198,925,690,155.96, 298,543,269,298.86 and 138,844,036,814.52

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Solution

The fourth proportional to 198,925,690,155.96, 298,543,269,298.86 and 138,844,036,814.52 is: 208,374,054,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,925,690,155.96 : 298,543,269,298.86 = 138,844,036,814.52 : x
  2. Step 2: Convert to fraction form
    198,925,690,155.96/298,543,269,298.86 = 138,844,036,814.52/x
  3. Step 3: Cross multiply
    198,925,690,155.96x = 298,543,269,298.86 × 138,844,036,814.52
  4. Step 4: Simplify right side
    198,925,690,155.96x = 41,450,952,673,258,066,935,808
  5. Step 5: Solve for x
    x = 41,450,952,673,258,066,935,808/198,925,690,155.96
  6. Step 6: Final answer
    x = 208,374,054,858.17

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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.