Home / 613,850,285.79-920,762,134.22-171,181,154.14

Finding the Fourth Proportional to 613,850,285.79, 920,762,134.22 and 171,181,154.14

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Solution

The fourth proportional to 613,850,285.79, 920,762,134.22 and 171,181,154.14 is: 256,768,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,850,285.79 : 920,762,134.22 = 171,181,154.14 : x
  2. Step 2: Convert to fraction form
    613,850,285.79/920,762,134.22 = 171,181,154.14/x
  3. Step 3: Cross multiply
    613,850,285.79x = 920,762,134.22 × 171,181,154.14
  4. Step 4: Simplify right side
    613,850,285.79x = 157,617,124,822,315,232
  5. Step 5: Solve for x
    x = 157,617,124,822,315,232/613,850,285.79
  6. Step 6: Final answer
    x = 256,768,023.85

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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.