Home / 103,167,316.38-154,750,946.88-70,720,850.43

Finding the Fourth Proportional to 103,167,316.38, 154,750,946.88 and 70,720,850.43

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Solution

The fourth proportional to 103,167,316.38, 154,750,946.88 and 70,720,850.43 is: 106,081,256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,167,316.38 : 154,750,946.88 = 70,720,850.43 : x
  2. Step 2: Convert to fraction form
    103,167,316.38/154,750,946.88 = 70,720,850.43/x
  3. Step 3: Cross multiply
    103,167,316.38x = 154,750,946.88 × 70,720,850.43
  4. Step 4: Simplify right side
    103,167,316.38x = 10,944,118,568,201,356
  5. Step 5: Solve for x
    x = 10,944,118,568,201,356/103,167,316.38
  6. Step 6: Final answer
    x = 106,081,256.66

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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.