Home / 85,672,080.72-128,505,668.58-24,261,094.20

Finding the Fourth Proportional to 85,672,080.72, 128,505,668.58 and 24,261,094.20

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Solution

The fourth proportional to 85,672,080.72, 128,505,668.58 and 24,261,094.20 is: 36,390,946.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,672,080.72 : 128,505,668.58 = 24,261,094.20 : x
  2. Step 2: Convert to fraction form
    85,672,080.72/128,505,668.58 = 24,261,094.20/x
  3. Step 3: Cross multiply
    85,672,080.72x = 128,505,668.58 × 24,261,094.20
  4. Step 4: Simplify right side
    85,672,080.72x = 3,117,688,130,653,360
  5. Step 5: Solve for x
    x = 3,117,688,130,653,360/85,672,080.72
  6. Step 6: Final answer
    x = 36,390,946.79

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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.