Home / 92,820,299.90-128,084,516.08-53,664,600.46

Finding the Fourth Proportional to 92,820,299.90, 128,084,516.08 and 53,664,600.46

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Solution

The fourth proportional to 92,820,299.90, 128,084,516.08 and 53,664,600.46 is: 74,052,813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,820,299.90 : 128,084,516.08 = 53,664,600.46 : x
  2. Step 2: Convert to fraction form
    92,820,299.90/128,084,516.08 = 53,664,600.46/x
  3. Step 3: Cross multiply
    92,820,299.90x = 128,084,516.08 × 53,664,600.46
  4. Step 4: Simplify right side
    92,820,299.90x = 6,873,604,380,545,645
  5. Step 5: Solve for x
    x = 6,873,604,380,545,645/92,820,299.90
  6. Step 6: Final answer
    x = 74,052,813.75

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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.