Home / 65,949,100.35-91,009,466.93-37,691,001.88

Finding the Fourth Proportional to 65,949,100.35, 91,009,466.93 and 37,691,001.88

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Solution

The fourth proportional to 65,949,100.35, 91,009,466.93 and 37,691,001.88 is: 52,013,415.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,949,100.35 : 91,009,466.93 = 37,691,001.88 : x
  2. Step 2: Convert to fraction form
    65,949,100.35/91,009,466.93 = 37,691,001.88/x
  3. Step 3: Cross multiply
    65,949,100.35x = 91,009,466.93 × 37,691,001.88
  4. Step 4: Simplify right side
    65,949,100.35x = 3,430,237,989,068,617.50
  5. Step 5: Solve for x
    x = 3,430,237,989,068,617.50/65,949,100.35
  6. Step 6: Final answer
    x = 52,013,415.96

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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.