Home / 91,453,189.23-126,205,539.39-49,637,269.56

Finding the Fourth Proportional to 91,453,189.23, 126,205,539.39 and 49,637,269.56

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Solution

The fourth proportional to 91,453,189.23, 126,205,539.39 and 49,637,269.56 is: 68,499,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,453,189.23 : 126,205,539.39 = 49,637,269.56 : x
  2. Step 2: Convert to fraction form
    91,453,189.23/126,205,539.39 = 49,637,269.56/x
  3. Step 3: Cross multiply
    91,453,189.23x = 126,205,539.39 × 49,637,269.56
  4. Step 4: Simplify right side
    91,453,189.23x = 6,264,498,378,666,628
  5. Step 5: Solve for x
    x = 6,264,498,378,666,628/91,453,189.23
  6. Step 6: Final answer
    x = 68,499,507.03

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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.