Home / 280,093,701.43-420,142,151.91-116,331,458.07

Finding the Fourth Proportional to 280,093,701.43, 420,142,151.91 and 116,331,458.07

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Solution

The fourth proportional to 280,093,701.43, 420,142,151.91 and 116,331,458.07 is: 174,497,851.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,093,701.43 : 420,142,151.91 = 116,331,458.07 : x
  2. Step 2: Convert to fraction form
    280,093,701.43/420,142,151.91 = 116,331,458.07/x
  3. Step 3: Cross multiply
    280,093,701.43x = 420,142,151.91 × 116,331,458.07
  4. Step 4: Simplify right side
    280,093,701.43x = 48,875,749,127,349,160
  5. Step 5: Solve for x
    x = 48,875,749,127,349,160/280,093,701.43
  6. Step 6: Final answer
    x = 174,497,851.54

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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.