Home / 119,898,399.12-165,463,795.08-73,479,683.76

Finding the Fourth Proportional to 119,898,399.12, 165,463,795.08 and 73,479,683.76

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Solution

The fourth proportional to 119,898,399.12, 165,463,795.08 and 73,479,683.76 is: 101,404,417.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,898,399.12 : 165,463,795.08 = 73,479,683.76 : x
  2. Step 2: Convert to fraction form
    119,898,399.12/165,463,795.08 = 73,479,683.76/x
  3. Step 3: Cross multiply
    119,898,399.12x = 165,463,795.08 × 73,479,683.76
  4. Step 4: Simplify right side
    119,898,399.12x = 12,158,227,336,207,846
  5. Step 5: Solve for x
    x = 12,158,227,336,207,846/119,898,399.12
  6. Step 6: Final answer
    x = 101,404,417.62

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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.