Home / 75,149,898.36-103,706,874.96-45,781,222.08

Finding the Fourth Proportional to 75,149,898.36, 103,706,874.96 and 45,781,222.08

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Solution

The fourth proportional to 75,149,898.36, 103,706,874.96 and 45,781,222.08 is: 63,178,095.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,149,898.36 : 103,706,874.96 = 45,781,222.08 : x
  2. Step 2: Convert to fraction form
    75,149,898.36/103,706,874.96 = 45,781,222.08/x
  3. Step 3: Cross multiply
    75,149,898.36x = 103,706,874.96 × 45,781,222.08
  4. Step 4: Simplify right side
    75,149,898.36x = 4,747,827,473,766,551
  5. Step 5: Solve for x
    x = 4,747,827,473,766,551/75,149,898.36
  6. Step 6: Final answer
    x = 63,178,095.74

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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.