Home / 90,009,351.90-135,014,027.85-88,574,461.20

Finding the Fourth Proportional to 90,009,351.90, 135,014,027.85 and 88,574,461.20

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Solution

The fourth proportional to 90,009,351.90, 135,014,027.85 and 88,574,461.20 is: 132,861,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,009,351.90 : 135,014,027.85 = 88,574,461.20 : x
  2. Step 2: Convert to fraction form
    90,009,351.90/135,014,027.85 = 88,574,461.20/x
  3. Step 3: Cross multiply
    90,009,351.90x = 135,014,027.85 × 88,574,461.20
  4. Step 4: Simplify right side
    90,009,351.90x = 11,958,794,771,255,544
  5. Step 5: Solve for x
    x = 11,958,794,771,255,544/90,009,351.90
  6. Step 6: Final answer
    x = 132,861,691.80

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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.