Home / 72,607,535.67-100,195,483.76-39,567,080.59

Finding the Fourth Proportional to 72,607,535.67, 100,195,483.76 and 39,567,080.59

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Solution

The fourth proportional to 72,607,535.67, 100,195,483.76 and 39,567,080.59 is: 54,600,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,607,535.67 : 100,195,483.76 = 39,567,080.59 : x
  2. Step 2: Convert to fraction form
    72,607,535.67/100,195,483.76 = 39,567,080.59/x
  3. Step 3: Cross multiply
    72,607,535.67x = 100,195,483.76 × 39,567,080.59
  4. Step 4: Simplify right side
    72,607,535.67x = 3,964,442,780,685,957
  5. Step 5: Solve for x
    x = 3,964,442,780,685,957/72,607,535.67
  6. Step 6: Final answer
    x = 54,600,982.45

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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.