Home / 178,032,478.80-267,013,288.80-85,916,038.80

Finding the Fourth Proportional to 178,032,478.80, 267,013,288.80 and 85,916,038.80

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Solution

The fourth proportional to 178,032,478.80, 267,013,288.80 and 85,916,038.80 is: 128,856,960.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,032,478.80 : 267,013,288.80 = 85,916,038.80 : x
  2. Step 2: Convert to fraction form
    178,032,478.80/267,013,288.80 = 85,916,038.80/x
  3. Step 3: Cross multiply
    178,032,478.80x = 267,013,288.80 × 85,916,038.80
  4. Step 4: Simplify right side
    178,032,478.80x = 22,940,724,080,656,404
  5. Step 5: Solve for x
    x = 22,940,724,080,656,404/178,032,478.80
  6. Step 6: Final answer
    x = 128,856,960.46

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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.