Home / 285,199,337.93-393,577,397.57-158,042,140.34

Finding the Fourth Proportional to 285,199,337.93, 393,577,397.57 and 158,042,140.34

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Solution

The fourth proportional to 285,199,337.93, 393,577,397.57 and 158,042,140.34 is: 218,099,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,199,337.93 : 393,577,397.57 = 158,042,140.34 : x
  2. Step 2: Convert to fraction form
    285,199,337.93/393,577,397.57 = 158,042,140.34/x
  3. Step 3: Cross multiply
    285,199,337.93x = 393,577,397.57 × 158,042,140.34
  4. Step 4: Simplify right side
    285,199,337.93x = 62,201,814,298,947,352
  5. Step 5: Solve for x
    x = 62,201,814,298,947,352/285,199,337.93
  6. Step 6: Final answer
    x = 218,099,434.42

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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.