Home / 103,881,682.50-143,344,338.39-57,465,649.86

Finding the Fourth Proportional to 103,881,682.50, 143,344,338.39 and 57,465,649.86

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Solution

The fourth proportional to 103,881,682.50, 143,344,338.39 and 57,465,649.86 is: 79,295,746.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,881,682.50 : 143,344,338.39 = 57,465,649.86 : x
  2. Step 2: Convert to fraction form
    103,881,682.50/143,344,338.39 = 57,465,649.86/x
  3. Step 3: Cross multiply
    103,881,682.50x = 143,344,338.39 × 57,465,649.86
  4. Step 4: Simplify right side
    103,881,682.50x = 8,237,375,559,333,095
  5. Step 5: Solve for x
    x = 8,237,375,559,333,095/103,881,682.50
  6. Step 6: Final answer
    x = 79,295,746.48

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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.