Home / 119,157,061.40-178,903,553.70-73,807,429.40

Finding the Fourth Proportional to 119,157,061.40, 178,903,553.70 and 73,807,429.40

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Solution

The fourth proportional to 119,157,061.40, 178,903,553.70 and 73,807,429.40 is: 110,815,181.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,157,061.40 : 178,903,553.70 = 73,807,429.40 : x
  2. Step 2: Convert to fraction form
    119,157,061.40/178,903,553.70 = 73,807,429.40/x
  3. Step 3: Cross multiply
    119,157,061.40x = 178,903,553.70 × 73,807,429.40
  4. Step 4: Simplify right side
    119,157,061.40x = 13,204,411,409,121,858
  5. Step 5: Solve for x
    x = 13,204,411,409,121,858/119,157,061.40
  6. Step 6: Final answer
    x = 110,815,181.69

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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.