Home / 101,673,361.63-140,299,434.88-57,021,146.47

Finding the Fourth Proportional to 101,673,361.63, 140,299,434.88 and 57,021,146.47

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Solution

The fourth proportional to 101,673,361.63, 140,299,434.88 and 57,021,146.47 is: 78,683,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,673,361.63 : 140,299,434.88 = 57,021,146.47 : x
  2. Step 2: Convert to fraction form
    101,673,361.63/140,299,434.88 = 57,021,146.47/x
  3. Step 3: Cross multiply
    101,673,361.63x = 140,299,434.88 × 57,021,146.47
  4. Step 4: Simplify right side
    101,673,361.63x = 8,000,034,625,950,706
  5. Step 5: Solve for x
    x = 8,000,034,625,950,706/101,673,361.63
  6. Step 6: Final answer
    x = 78,683,683.69

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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.