Home / 156,258,504.33-234,364,940.89-45,564,428.81

Finding the Fourth Proportional to 156,258,504.33, 234,364,940.89 and 45,564,428.81

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Solution

The fourth proportional to 156,258,504.33, 234,364,940.89 and 45,564,428.81 is: 68,339,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,258,504.33 : 234,364,940.89 = 45,564,428.81 : x
  2. Step 2: Convert to fraction form
    156,258,504.33/234,364,940.89 = 45,564,428.81/x
  3. Step 3: Cross multiply
    156,258,504.33x = 234,364,940.89 × 45,564,428.81
  4. Step 4: Simplify right side
    156,258,504.33x = 10,678,704,664,742,262
  5. Step 5: Solve for x
    x = 10,678,704,664,742,262/156,258,504.33
  6. Step 6: Final answer
    x = 68,339,990.27

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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.