Home / 220,664,442.54-304,516,928.79-127,898,758.38

Finding the Fourth Proportional to 220,664,442.54, 304,516,928.79 and 127,898,758.38

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Solution

The fourth proportional to 220,664,442.54, 304,516,928.79 and 127,898,758.38 is: 176,500,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,664,442.54 : 304,516,928.79 = 127,898,758.38 : x
  2. Step 2: Convert to fraction form
    220,664,442.54/304,516,928.79 = 127,898,758.38/x
  3. Step 3: Cross multiply
    220,664,442.54x = 304,516,928.79 × 127,898,758.38
  4. Step 4: Simplify right side
    220,664,442.54x = 38,947,337,097,931,880
  5. Step 5: Solve for x
    x = 38,947,337,097,931,880/220,664,442.54
  6. Step 6: Final answer
    x = 176,500,285.45

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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.