Home / 82,719,942.80-124,135,901.40-37,258,336.40

Finding the Fourth Proportional to 82,719,942.80, 124,135,901.40 and 37,258,336.40

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Solution

The fourth proportional to 82,719,942.80, 124,135,901.40 and 37,258,336.40 is: 55,912,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,719,942.80 : 124,135,901.40 = 37,258,336.40 : x
  2. Step 2: Convert to fraction form
    82,719,942.80/124,135,901.40 = 37,258,336.40/x
  3. Step 3: Cross multiply
    82,719,942.80x = 124,135,901.40 × 37,258,336.40
  4. Step 4: Simplify right side
    82,719,942.80x = 4,625,097,173,678,431
  5. Step 5: Solve for x
    x = 4,625,097,173,678,431/82,719,942.80
  6. Step 6: Final answer
    x = 55,912,722.10

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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.