Home / 123,390,002.38-170,178,916.58-108,473,433.56

Finding the Fourth Proportional to 123,390,002.38, 170,178,916.58 and 108,473,433.56

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Solution

The fourth proportional to 123,390,002.38, 170,178,916.58 and 108,473,433.56 is: 149,606,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,390,002.38 : 170,178,916.58 = 108,473,433.56 : x
  2. Step 2: Convert to fraction form
    123,390,002.38/170,178,916.58 = 108,473,433.56/x
  3. Step 3: Cross multiply
    123,390,002.38x = 170,178,916.58 × 108,473,433.56
  4. Step 4: Simplify right side
    123,390,002.38x = 18,459,891,400,605,100
  5. Step 5: Solve for x
    x = 18,459,891,400,605,100/123,390,002.38
  6. Step 6: Final answer
    x = 149,606,054.34

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1.5x scale

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.