Home / 253,984,182.39-381,014,130.56-90,208,179.63

Finding the Fourth Proportional to 253,984,182.39, 381,014,130.56 and 90,208,179.63

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Solution

The fourth proportional to 253,984,182.39, 381,014,130.56 and 90,208,179.63 is: 135,325,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,984,182.39 : 381,014,130.56 = 90,208,179.63 : x
  2. Step 2: Convert to fraction form
    253,984,182.39/381,014,130.56 = 90,208,179.63/x
  3. Step 3: Cross multiply
    253,984,182.39x = 381,014,130.56 × 90,208,179.63
  4. Step 4: Simplify right side
    253,984,182.39x = 34,370,591,130,673,712
  5. Step 5: Solve for x
    x = 34,370,591,130,673,712/253,984,182.39
  6. Step 6: Final answer
    x = 135,325,715.20

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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.