Home / 381,190,087.74-570,342,220.29-225,827,281.20

Finding the Fourth Proportional to 381,190,087.74, 570,342,220.29 and 225,827,281.20

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Solution

The fourth proportional to 381,190,087.74, 570,342,220.29 and 225,827,281.20 is: 337,886,102.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,190,087.74 : 570,342,220.29 = 225,827,281.20 : x
  2. Step 2: Convert to fraction form
    381,190,087.74/570,342,220.29 = 225,827,281.20/x
  3. Step 3: Cross multiply
    381,190,087.74x = 570,342,220.29 × 225,827,281.20
  4. Step 4: Simplify right side
    381,190,087.74x = 128,798,832,961,662,160
  5. Step 5: Solve for x
    x = 128,798,832,961,662,160/381,190,087.74
  6. Step 6: Final answer
    x = 337,886,102.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.