Home / 154,618,276-213,367,784.16-85,003,150

Finding the Fourth Proportional to 154,618,276, 213,367,784.16 and 85,003,150

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Solution

The fourth proportional to 154,618,276, 213,367,784.16 and 85,003,150 is: 117,301,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,618,276 : 213,367,784.16 = 85,003,150 : x
  2. Step 2: Convert to fraction form
    154,618,276/213,367,784.16 = 85,003,150/x
  3. Step 3: Cross multiply
    154,618,276x = 213,367,784.16 × 85,003,150
  4. Step 4: Simplify right side
    154,618,276x = 18,136,933,762,120,104
  5. Step 5: Solve for x
    x = 18,136,933,762,120,104/154,618,276
  6. Step 6: Final answer
    x = 117,301,358.10

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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.