Home / 116,369,299.92-160,742,925.40-86,254,845.54

Finding the Fourth Proportional to 116,369,299.92, 160,742,925.40 and 86,254,845.54

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Solution

The fourth proportional to 116,369,299.92, 160,742,925.40 and 86,254,845.54 is: 119,145,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,369,299.92 : 160,742,925.40 = 86,254,845.54 : x
  2. Step 2: Convert to fraction form
    116,369,299.92/160,742,925.40 = 86,254,845.54/x
  3. Step 3: Cross multiply
    116,369,299.92x = 160,742,925.40 × 86,254,845.54
  4. Step 4: Simplify right side
    116,369,299.92x = 13,864,856,202,024,744
  5. Step 5: Solve for x
    x = 13,864,856,202,024,744/116,369,299.92
  6. Step 6: Final answer
    x = 119,145,309.04

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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.