Home / 130,800,772.54-180,505,237.08-71,261,772.76

Finding the Fourth Proportional to 130,800,772.54, 180,505,237.08 and 71,261,772.76

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Solution

The fourth proportional to 130,800,772.54, 180,505,237.08 and 71,261,772.76 is: 98,341,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,800,772.54 : 180,505,237.08 = 71,261,772.76 : x
  2. Step 2: Convert to fraction form
    130,800,772.54/180,505,237.08 = 71,261,772.76/x
  3. Step 3: Cross multiply
    130,800,772.54x = 180,505,237.08 × 71,261,772.76
  4. Step 4: Simplify right side
    130,800,772.54x = 12,863,123,186,784,888
  5. Step 5: Solve for x
    x = 12,863,123,186,784,888/130,800,772.54
  6. Step 6: Final answer
    x = 98,341,339.56

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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.