Home / 91,455,608.99-126,205,360.88-49,638,776.48

Finding the Fourth Proportional to 91,455,608.99, 126,205,360.88 and 49,638,776.48

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Solution

The fourth proportional to 91,455,608.99, 126,205,360.88 and 49,638,776.48 is: 68,499,677.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,455,608.99 : 126,205,360.88 = 49,638,776.48 : x
  2. Step 2: Convert to fraction form
    91,455,608.99/126,205,360.88 = 49,638,776.48/x
  3. Step 3: Cross multiply
    91,455,608.99x = 126,205,360.88 × 49,638,776.48
  4. Step 4: Simplify right side
    91,455,608.99x = 6,264,679,698,793,126
  5. Step 5: Solve for x
    x = 6,264,679,698,793,126/91,455,608.99
  6. Step 6: Final answer
    x = 68,499,677.25

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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.