Home / 210,390,065.20-315,585,097.80-95,598,809.20

Finding the Fourth Proportional to 210,390,065.20, 315,585,097.80 and 95,598,809.20

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Solution

The fourth proportional to 210,390,065.20, 315,585,097.80 and 95,598,809.20 is: 143,398,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,390,065.20 : 315,585,097.80 = 95,598,809.20 : x
  2. Step 2: Convert to fraction form
    210,390,065.20/315,585,097.80 = 95,598,809.20/x
  3. Step 3: Cross multiply
    210,390,065.20x = 315,585,097.80 × 95,598,809.20
  4. Step 4: Simplify right side
    210,390,065.20x = 30,169,559,550,945,540
  5. Step 5: Solve for x
    x = 30,169,559,550,945,540/210,390,065.20
  6. Step 6: Final answer
    x = 143,398,213.80

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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.