Home / 218,639,621.75-301,724,685.63-124,552,374.24

Finding the Fourth Proportional to 218,639,621.75, 301,724,685.63 and 124,552,374.24

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Solution

The fourth proportional to 218,639,621.75, 301,724,685.63 and 124,552,374.24 is: 171,883,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,639,621.75 : 301,724,685.63 = 124,552,374.24 : x
  2. Step 2: Convert to fraction form
    218,639,621.75/301,724,685.63 = 124,552,374.24/x
  3. Step 3: Cross multiply
    218,639,621.75x = 301,724,685.63 × 124,552,374.24
  4. Step 4: Simplify right side
    218,639,621.75x = 37,580,525,962,034,104
  5. Step 5: Solve for x
    x = 37,580,525,962,034,104/218,639,621.75
  6. Step 6: Final answer
    x = 171,883,420.13

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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.