Home / 109,290,108.72-150,820,497-62,879,431.80

Finding the Fourth Proportional to 109,290,108.72, 150,820,497 and 62,879,431.80

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Solution

The fourth proportional to 109,290,108.72, 150,820,497 and 62,879,431.80 is: 86,773,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,290,108.72 : 150,820,497 = 62,879,431.80 : x
  2. Step 2: Convert to fraction form
    109,290,108.72/150,820,497 = 62,879,431.80/x
  3. Step 3: Cross multiply
    109,290,108.72x = 150,820,497 × 62,879,431.80
  4. Step 4: Simplify right side
    109,290,108.72x = 9,483,507,155,153,604
  5. Step 5: Solve for x
    x = 9,483,507,155,153,604/109,290,108.72
  6. Step 6: Final answer
    x = 86,773,700.44

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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.