Home / 91,453,185.11-126,205,533.70-49,637,265.44

Finding the Fourth Proportional to 91,453,185.11, 126,205,533.70 and 49,637,265.44

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Solution

The fourth proportional to 91,453,185.11, 126,205,533.70 and 49,637,265.44 is: 68,499,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,453,185.11 : 126,205,533.70 = 49,637,265.44 : x
  2. Step 2: Convert to fraction form
    91,453,185.11/126,205,533.70 = 49,637,265.44/x
  3. Step 3: Cross multiply
    91,453,185.11x = 126,205,533.70 × 49,637,265.44
  4. Step 4: Simplify right side
    91,453,185.11x = 6,264,497,575,632,738
  5. Step 5: Solve for x
    x = 6,264,497,575,632,738/91,453,185.11
  6. Step 6: Final answer
    x = 68,499,501.34

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1.5x scale

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.