Home / 69,848,117.10-104,772,175.65-66,712,833.90

Finding the Fourth Proportional to 69,848,117.10, 104,772,175.65 and 66,712,833.90

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Solution

The fourth proportional to 69,848,117.10, 104,772,175.65 and 66,712,833.90 is: 100,069,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,848,117.10 : 104,772,175.65 = 66,712,833.90 : x
  2. Step 2: Convert to fraction form
    69,848,117.10/104,772,175.65 = 66,712,833.90/x
  3. Step 3: Cross multiply
    69,848,117.10x = 104,772,175.65 × 66,712,833.90
  4. Step 4: Simplify right side
    69,848,117.10x = 6,989,648,751,480,075
  5. Step 5: Solve for x
    x = 6,989,648,751,480,075/69,848,117.10
  6. Step 6: Final answer
    x = 100,069,250.85

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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.