Home / 143,514,570.33-215,096,965.88-74,389,264.47

Finding the Fourth Proportional to 143,514,570.33, 215,096,965.88 and 74,389,264.47

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Solution

The fourth proportional to 143,514,570.33, 215,096,965.88 and 74,389,264.47 is: 111,493,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,514,570.33 : 215,096,965.88 = 74,389,264.47 : x
  2. Step 2: Convert to fraction form
    143,514,570.33/215,096,965.88 = 74,389,264.47/x
  3. Step 3: Cross multiply
    143,514,570.33x = 215,096,965.88 × 74,389,264.47
  4. Step 4: Simplify right side
    143,514,570.33x = 16,000,905,081,169,940
  5. Step 5: Solve for x
    x = 16,000,905,081,169,940/143,514,570.33
  6. Step 6: Final answer
    x = 111,493,244.51

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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.