Home / 66,744,005.40-100,116,008.10-65,610,264.60

Finding the Fourth Proportional to 66,744,005.40, 100,116,008.10 and 65,610,264.60

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Solution

The fourth proportional to 66,744,005.40, 100,116,008.10 and 65,610,264.60 is: 98,415,396.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,744,005.40 : 100,116,008.10 = 65,610,264.60 : x
  2. Step 2: Convert to fraction form
    66,744,005.40/100,116,008.10 = 65,610,264.60/x
  3. Step 3: Cross multiply
    66,744,005.40x = 100,116,008.10 × 65,610,264.60
  4. Step 4: Simplify right side
    66,744,005.40x = 6,568,637,782,136,743
  5. Step 5: Solve for x
    x = 6,568,637,782,136,743/66,744,005.40
  6. Step 6: Final answer
    x = 98,415,396.90

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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.