Home / 154,738,324.16-213,532,154.88-85,119,290.72

Finding the Fourth Proportional to 154,738,324.16, 213,532,154.88 and 85,119,290.72

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Solution

The fourth proportional to 154,738,324.16, 213,532,154.88 and 85,119,290.72 is: 117,460,917.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,738,324.16 : 213,532,154.88 = 85,119,290.72 : x
  2. Step 2: Convert to fraction form
    154,738,324.16/213,532,154.88 = 85,119,290.72/x
  3. Step 3: Cross multiply
    154,738,324.16x = 213,532,154.88 × 85,119,290.72
  4. Step 4: Simplify right side
    154,738,324.16x = 18,175,705,569,298,788
  5. Step 5: Solve for x
    x = 18,175,705,569,298,788/154,738,324.16
  6. Step 6: Final answer
    x = 117,460,917.77

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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.