Home / 254,387,740.40-381,581,610.60-90,810,200.60

Finding the Fourth Proportional to 254,387,740.40, 381,581,610.60 and 90,810,200.60

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Solution

The fourth proportional to 254,387,740.40, 381,581,610.60 and 90,810,200.60 is: 136,215,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,387,740.40 : 381,581,610.60 = 90,810,200.60 : x
  2. Step 2: Convert to fraction form
    254,387,740.40/381,581,610.60 = 90,810,200.60/x
  3. Step 3: Cross multiply
    254,387,740.40x = 381,581,610.60 × 90,810,200.60
  4. Step 4: Simplify right side
    254,387,740.40x = 34,651,502,603,857,088
  5. Step 5: Solve for x
    x = 34,651,502,603,857,088/254,387,740.40
  6. Step 6: Final answer
    x = 136,215,300.90

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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.