Home / 92,820,804.50-128,085,211.40-53,665,104.59

Finding the Fourth Proportional to 92,820,804.50, 128,085,211.40 and 53,665,104.59

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Solution

The fourth proportional to 92,820,804.50, 128,085,211.40 and 53,665,104.59 is: 74,053,508.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,820,804.50 : 128,085,211.40 = 53,665,104.59 : x
  2. Step 2: Convert to fraction form
    92,820,804.50/128,085,211.40 = 53,665,104.59/x
  3. Step 3: Cross multiply
    92,820,804.50x = 128,085,211.40 × 53,665,104.59
  4. Step 4: Simplify right side
    92,820,804.50x = 6,873,706,265,706,997
  5. Step 5: Solve for x
    x = 6,873,706,265,706,997/92,820,804.50
  6. Step 6: Final answer
    x = 74,053,508.83

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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.