Home / 66,883,602.20-100,205,829.07-57,317,664.20

Finding the Fourth Proportional to 66,883,602.20, 100,205,829.07 and 57,317,664.20

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Solution

The fourth proportional to 66,883,602.20, 100,205,829.07 and 57,317,664.20 is: 85,874,024.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,883,602.20 : 100,205,829.07 = 57,317,664.20 : x
  2. Step 2: Convert to fraction form
    66,883,602.20/100,205,829.07 = 57,317,664.20/x
  3. Step 3: Cross multiply
    66,883,602.20x = 100,205,829.07 × 57,317,664.20
  4. Step 4: Simplify right side
    66,883,602.20x = 5,743,564,061,516,858
  5. Step 5: Solve for x
    x = 5,743,564,061,516,858/66,883,602.20
  6. Step 6: Final answer
    x = 85,874,024.01

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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.