Home / 69,984,005.40-104,976,008.10-52,068,101.40

Finding the Fourth Proportional to 69,984,005.40, 104,976,008.10 and 52,068,101.40

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Solution

The fourth proportional to 69,984,005.40, 104,976,008.10 and 52,068,101.40 is: 78,102,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,005.40 : 104,976,008.10 = 52,068,101.40 : x
  2. Step 2: Convert to fraction form
    69,984,005.40/104,976,008.10 = 52,068,101.40/x
  3. Step 3: Cross multiply
    69,984,005.40x = 104,976,008.10 × 52,068,101.40
  4. Step 4: Simplify right side
    69,984,005.40x = 5,465,901,434,318,021
  5. Step 5: Solve for x
    x = 5,465,901,434,318,021/69,984,005.40
  6. Step 6: Final answer
    x = 78,102,152.10

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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.