Home / 205,460,856.63-283,535,913.92-112,639,371.57

Finding the Fourth Proportional to 205,460,856.63, 283,535,913.92 and 112,639,371.57

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Solution

The fourth proportional to 205,460,856.63, 283,535,913.92 and 112,639,371.57 is: 155,442,295.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,460,856.63 : 283,535,913.92 = 112,639,371.57 : x
  2. Step 2: Convert to fraction form
    205,460,856.63/283,535,913.92 = 112,639,371.57/x
  3. Step 3: Cross multiply
    205,460,856.63x = 283,535,913.92 × 112,639,371.57
  4. Step 4: Simplify right side
    205,460,856.63x = 31,937,307,160,911,220
  5. Step 5: Solve for x
    x = 31,937,307,160,911,220/205,460,856.63
  6. Step 6: Final answer
    x = 155,442,295.36

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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.