Home / 120,932,352,043.80-181,398,528,065.70-73,913,853,586.20

Finding the Fourth Proportional to 120,932,352,043.80, 181,398,528,065.70 and 73,913,853,586.20

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Solution

The fourth proportional to 120,932,352,043.80, 181,398,528,065.70 and 73,913,853,586.20 is: 110,870,780,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,932,352,043.80 : 181,398,528,065.70 = 73,913,853,586.20 : x
  2. Step 2: Convert to fraction form
    120,932,352,043.80/181,398,528,065.70 = 73,913,853,586.20/x
  3. Step 3: Cross multiply
    120,932,352,043.80x = 181,398,528,065.70 × 73,913,853,586.20
  4. Step 4: Simplify right side
    120,932,352,043.80x = 13,407,864,244,200,340,979,712
  5. Step 5: Solve for x
    x = 13,407,864,244,200,340,979,712/120,932,352,043.80
  6. Step 6: Final answer
    x = 110,870,780,379.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.