Home / 91,317,218.21-126,017,929.33-49,501,154.17

Finding the Fourth Proportional to 91,317,218.21, 126,017,929.33 and 49,501,154.17

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Solution

The fourth proportional to 91,317,218.21, 126,017,929.33 and 49,501,154.17 is: 68,311,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,317,218.21 : 126,017,929.33 = 49,501,154.17 : x
  2. Step 2: Convert to fraction form
    91,317,218.21/126,017,929.33 = 49,501,154.17/x
  3. Step 3: Cross multiply
    91,317,218.21x = 126,017,929.33 × 49,501,154.17
  4. Step 4: Simplify right side
    91,317,218.21x = 6,238,032,947,509,697
  5. Step 5: Solve for x
    x = 6,238,032,947,509,697/91,317,218.21
  6. Step 6: Final answer
    x = 68,311,683.93

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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.