Home / 65,892,686.40-90,901,150.56-41,459,872.32

Finding the Fourth Proportional to 65,892,686.40, 90,901,150.56 and 41,459,872.32

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Solution

The fourth proportional to 65,892,686.40, 90,901,150.56 and 41,459,872.32 is: 57,195,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,892,686.40 : 90,901,150.56 = 41,459,872.32 : x
  2. Step 2: Convert to fraction form
    65,892,686.40/90,901,150.56 = 41,459,872.32/x
  3. Step 3: Cross multiply
    65,892,686.40x = 90,901,150.56 × 41,459,872.32
  4. Step 4: Simplify right side
    65,892,686.40x = 3,768,750,095,958,696.50
  5. Step 5: Solve for x
    x = 3,768,750,095,958,696.50/65,892,686.40
  6. Step 6: Final answer
    x = 57,195,271.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.