Home / 289,224,088.40-434,261,285.40-203,343,222.80

Finding the Fourth Proportional to 289,224,088.40, 434,261,285.40 and 203,343,222.80

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Solution

The fourth proportional to 289,224,088.40, 434,261,285.40 and 203,343,222.80 is: 305,313,744.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,224,088.40 : 434,261,285.40 = 203,343,222.80 : x
  2. Step 2: Convert to fraction form
    289,224,088.40/434,261,285.40 = 203,343,222.80/x
  3. Step 3: Cross multiply
    289,224,088.40x = 434,261,285.40 × 203,343,222.80
  4. Step 4: Simplify right side
    289,224,088.40x = 88,304,089,310,506,592
  5. Step 5: Solve for x
    x = 88,304,089,310,506,592/289,224,088.40
  6. Step 6: Final answer
    x = 305,313,744.09

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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.