Home / 91,503,138.15-137,254,707.23-30,917,989.35

Finding the Fourth Proportional to 91,503,138.15, 137,254,707.23 and 30,917,989.35

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Solution

The fourth proportional to 91,503,138.15, 137,254,707.23 and 30,917,989.35 is: 46,376,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,503,138.15 : 137,254,707.23 = 30,917,989.35 : x
  2. Step 2: Convert to fraction form
    91,503,138.15/137,254,707.23 = 30,917,989.35/x
  3. Step 3: Cross multiply
    91,503,138.15x = 137,254,707.23 × 30,917,989.35
  4. Step 4: Simplify right side
    91,503,138.15x = 4,243,639,576,219,918
  5. Step 5: Solve for x
    x = 4,243,639,576,219,918/91,503,138.15
  6. Step 6: Final answer
    x = 46,376,984.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.