Home / 260,077,657.08-358,910,639.22-142,602,689.64

Finding the Fourth Proportional to 260,077,657.08, 358,910,639.22 and 142,602,689.64

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Solution

The fourth proportional to 260,077,657.08, 358,910,639.22 and 142,602,689.64 is: 196,793,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,077,657.08 : 358,910,639.22 = 142,602,689.64 : x
  2. Step 2: Convert to fraction form
    260,077,657.08/358,910,639.22 = 142,602,689.64/x
  3. Step 3: Cross multiply
    260,077,657.08x = 358,910,639.22 × 142,602,689.64
  4. Step 4: Simplify right side
    260,077,657.08x = 51,181,622,493,183,672
  5. Step 5: Solve for x
    x = 51,181,622,493,183,672/260,077,657.08
  6. Step 6: Final answer
    x = 196,793,615.68

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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.