Home / 75,314,591.43-103,935,671.01-42,277,222.68

Finding the Fourth Proportional to 75,314,591.43, 103,935,671.01 and 42,277,222.68

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Solution

The fourth proportional to 75,314,591.43, 103,935,671.01 and 42,277,222.68 is: 58,343,428.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,314,591.43 : 103,935,671.01 = 42,277,222.68 : x
  2. Step 2: Convert to fraction form
    75,314,591.43/103,935,671.01 = 42,277,222.68/x
  3. Step 3: Cross multiply
    75,314,591.43x = 103,935,671.01 × 42,277,222.68
  4. Step 4: Simplify right side
    75,314,591.43x = 4,394,111,507,684,990.50
  5. Step 5: Solve for x
    x = 4,394,111,507,684,990.50/75,314,591.43
  6. Step 6: Final answer
    x = 58,343,428.87

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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.