Home / 249,330,033.76-344,068,845.36-139,322,650.72

Finding the Fourth Proportional to 249,330,033.76, 344,068,845.36 and 139,322,650.72

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Solution

The fourth proportional to 249,330,033.76, 344,068,845.36 and 139,322,650.72 is: 192,261,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,330,033.76 : 344,068,845.36 = 139,322,650.72 : x
  2. Step 2: Convert to fraction form
    249,330,033.76/344,068,845.36 = 139,322,650.72/x
  3. Step 3: Cross multiply
    249,330,033.76x = 344,068,845.36 × 139,322,650.72
  4. Step 4: Simplify right side
    249,330,033.76x = 47,936,583,565,724,976
  5. Step 5: Solve for x
    x = 47,936,583,565,724,976/249,330,033.76
  6. Step 6: Final answer
    x = 192,261,569.31

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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.