Home / 166,024,345.68-229,174,735.32-99,947,915.28

Finding the Fourth Proportional to 166,024,345.68, 229,174,735.32 and 99,947,915.28

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Solution

The fourth proportional to 166,024,345.68, 229,174,735.32 and 99,947,915.28 is: 137,964,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,024,345.68 : 229,174,735.32 = 99,947,915.28 : x
  2. Step 2: Convert to fraction form
    166,024,345.68/229,174,735.32 = 99,947,915.28/x
  3. Step 3: Cross multiply
    166,024,345.68x = 229,174,735.32 × 99,947,915.28
  4. Step 4: Simplify right side
    166,024,345.68x = 22,905,537,030,079,784
  5. Step 5: Solve for x
    x = 22,905,537,030,079,784/166,024,345.68
  6. Step 6: Final answer
    x = 137,964,928.80

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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.