Home / 166,540,852.76-229,826,432.42-91,191,946.28

Finding the Fourth Proportional to 166,540,852.76, 229,826,432.42 and 91,191,946.28

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Solution

The fourth proportional to 166,540,852.76, 229,826,432.42 and 91,191,946.28 is: 125,844,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,540,852.76 : 229,826,432.42 = 91,191,946.28 : x
  2. Step 2: Convert to fraction form
    166,540,852.76/229,826,432.42 = 91,191,946.28/x
  3. Step 3: Cross multiply
    166,540,852.76x = 229,826,432.42 × 91,191,946.28
  4. Step 4: Simplify right side
    166,540,852.76x = 20,958,319,678,968,688
  5. Step 5: Solve for x
    x = 20,958,319,678,968,688/166,540,852.76
  6. Step 6: Final answer
    x = 125,844,916.32

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Double scale
Find fourth proportional to 166,540,853.76, 229,826,433.80 and 91,191,947.28
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1.5x scale

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.