Home / 290,421,047.20-435,631,570.80-224,664,080.80

Finding the Fourth Proportional to 290,421,047.20, 435,631,570.80 and 224,664,080.80

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Solution

The fourth proportional to 290,421,047.20, 435,631,570.80 and 224,664,080.80 is: 336,996,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,421,047.20 : 435,631,570.80 = 224,664,080.80 : x
  2. Step 2: Convert to fraction form
    290,421,047.20/435,631,570.80 = 224,664,080.80/x
  3. Step 3: Cross multiply
    290,421,047.20x = 435,631,570.80 × 224,664,080.80
  4. Step 4: Simplify right side
    290,421,047.20x = 97,870,766,421,242,128
  5. Step 5: Solve for x
    x = 97,870,766,421,242,128/290,421,047.20
  6. Step 6: Final answer
    x = 336,996,121.20

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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.