Home / 436,146,985.69-654,226,176.99-145,014,108.46

Finding the Fourth Proportional to 436,146,985.69, 654,226,176.99 and 145,014,108.46

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Solution

The fourth proportional to 436,146,985.69, 654,226,176.99 and 145,014,108.46 is: 217,523,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,146,985.69 : 654,226,176.99 = 145,014,108.46 : x
  2. Step 2: Convert to fraction form
    436,146,985.69/654,226,176.99 = 145,014,108.46/x
  3. Step 3: Cross multiply
    436,146,985.69x = 654,226,176.99 × 145,014,108.46
  4. Step 4: Simplify right side
    436,146,985.69x = 94,872,025,784,561,712
  5. Step 5: Solve for x
    x = 94,872,025,784,561,712/436,146,985.69
  6. Step 6: Final answer
    x = 217,523,057.36

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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.