Home / 66,545,772.70-99,650,697.45-43,702,995.10

Finding the Fourth Proportional to 66,545,772.70, 99,650,697.45 and 43,702,995.10

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Solution

The fourth proportional to 66,545,772.70, 99,650,697.45 and 43,702,995.10 is: 65,444,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,545,772.70 : 99,650,697.45 = 43,702,995.10 : x
  2. Step 2: Convert to fraction form
    66,545,772.70/99,650,697.45 = 43,702,995.10/x
  3. Step 3: Cross multiply
    66,545,772.70x = 99,650,697.45 × 43,702,995.10
  4. Step 4: Simplify right side
    66,545,772.70x = 4,355,033,942,368,933
  5. Step 5: Solve for x
    x = 4,355,033,942,368,933/66,545,772.70
  6. Step 6: Final answer
    x = 65,444,186.24

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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.