Home / 303,105,809.70-418,286,100.69-167,316,128.28

Finding the Fourth Proportional to 303,105,809.70, 418,286,100.69 and 167,316,128.28

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Solution

The fourth proportional to 303,105,809.70, 418,286,100.69 and 167,316,128.28 is: 230,896,303.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,105,809.70 : 418,286,100.69 = 167,316,128.28 : x
  2. Step 2: Convert to fraction form
    303,105,809.70/418,286,100.69 = 167,316,128.28/x
  3. Step 3: Cross multiply
    303,105,809.70x = 418,286,100.69 × 167,316,128.28
  4. Step 4: Simplify right side
    303,105,809.70x = 69,986,010,880,789,040
  5. Step 5: Solve for x
    x = 69,986,010,880,789,040/303,105,809.70
  6. Step 6: Final answer
    x = 230,896,303.01

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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.