Home / 75,149,899.86-103,706,877.03-45,781,223.58

Finding the Fourth Proportional to 75,149,899.86, 103,706,877.03 and 45,781,223.58

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Solution

The fourth proportional to 75,149,899.86, 103,706,877.03 and 45,781,223.58 is: 63,178,097.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,149,899.86 : 103,706,877.03 = 45,781,223.58 : x
  2. Step 2: Convert to fraction form
    75,149,899.86/103,706,877.03 = 45,781,223.58/x
  3. Step 3: Cross multiply
    75,149,899.86x = 103,706,877.03 × 45,781,223.58
  4. Step 4: Simplify right side
    75,149,899.86x = 4,747,827,724,093,996
  5. Step 5: Solve for x
    x = 4,747,827,724,093,996/75,149,899.86
  6. Step 6: Final answer
    x = 63,178,097.81

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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.