Home / 290,872,501.20-436,308,751.80-225,824,122.80

Finding the Fourth Proportional to 290,872,501.20, 436,308,751.80 and 225,824,122.80

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Solution

The fourth proportional to 290,872,501.20, 436,308,751.80 and 225,824,122.80 is: 338,736,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,872,501.20 : 436,308,751.80 = 225,824,122.80 : x
  2. Step 2: Convert to fraction form
    290,872,501.20/436,308,751.80 = 225,824,122.80/x
  3. Step 3: Cross multiply
    290,872,501.20x = 436,308,751.80 × 225,824,122.80
  4. Step 4: Simplify right side
    290,872,501.20x = 98,529,041,145,197,936
  5. Step 5: Solve for x
    x = 98,529,041,145,197,936/290,872,501.20
  6. Step 6: Final answer
    x = 338,736,184.20

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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.