Home / 57,701,017.12-79,627,420.77-31,239,365.69

Finding the Fourth Proportional to 57,701,017.12, 79,627,420.77 and 31,239,365.69

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Solution

The fourth proportional to 57,701,017.12, 79,627,420.77 and 31,239,365.69 is: 43,110,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,701,017.12 : 79,627,420.77 = 31,239,365.69 : x
  2. Step 2: Convert to fraction form
    57,701,017.12/79,627,420.77 = 31,239,365.69/x
  3. Step 3: Cross multiply
    57,701,017.12x = 79,627,420.77 × 31,239,365.69
  4. Step 4: Simplify right side
    57,701,017.12x = 2,487,510,116,385,531.50
  5. Step 5: Solve for x
    x = 2,487,510,116,385,531.50/57,701,017.12
  6. Step 6: Final answer
    x = 43,110,333.93

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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.