Home / 69,848,084.10-104,772,126.15-66,712,800.90

Finding the Fourth Proportional to 69,848,084.10, 104,772,126.15 and 66,712,800.90

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Solution

The fourth proportional to 69,848,084.10, 104,772,126.15 and 66,712,800.90 is: 100,069,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,848,084.10 : 104,772,126.15 = 66,712,800.90 : x
  2. Step 2: Convert to fraction form
    69,848,084.10/104,772,126.15 = 66,712,800.90/x
  3. Step 3: Cross multiply
    69,848,084.10x = 104,772,126.15 × 66,712,800.90
  4. Step 4: Simplify right side
    69,848,084.10x = 6,989,641,991,714,634
  5. Step 5: Solve for x
    x = 6,989,641,991,714,634/69,848,084.10
  6. Step 6: Final answer
    x = 100,069,201.35

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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.