Home / 99,549,086.77-137,370,724.72-55,494,136.90

Finding the Fourth Proportional to 99,549,086.77, 137,370,724.72 and 55,494,136.90

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Solution

The fourth proportional to 99,549,086.77, 137,370,724.72 and 55,494,136.90 is: 76,577,998.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,549,086.77 : 137,370,724.72 = 55,494,136.90 : x
  2. Step 2: Convert to fraction form
    99,549,086.77/137,370,724.72 = 55,494,136.90/x
  3. Step 3: Cross multiply
    99,549,086.77x = 137,370,724.72 × 55,494,136.90
  4. Step 4: Simplify right side
    99,549,086.77x = 7,623,269,804,009,303
  5. Step 5: Solve for x
    x = 7,623,269,804,009,303/99,549,086.77
  6. Step 6: Final answer
    x = 76,577,998.37

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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.