Home / 85,891,130.88-128,796,883.20-32,023,979.52

Finding the Fourth Proportional to 85,891,130.88, 128,796,883.20 and 32,023,979.52

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Solution

The fourth proportional to 85,891,130.88, 128,796,883.20 and 32,023,979.52 is: 48,021,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,891,130.88 : 128,796,883.20 = 32,023,979.52 : x
  2. Step 2: Convert to fraction form
    85,891,130.88/128,796,883.20 = 32,023,979.52/x
  3. Step 3: Cross multiply
    85,891,130.88x = 128,796,883.20 × 32,023,979.52
  4. Step 4: Simplify right side
    85,891,130.88x = 4,124,588,749,836,632
  5. Step 5: Solve for x
    x = 4,124,588,749,836,632/85,891,130.88
  6. Step 6: Final answer
    x = 48,021,125.20

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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.