Home / 130,507,826.91-180,105,426.50-71,775,034.44

Finding the Fourth Proportional to 130,507,826.91, 180,105,426.50 and 71,775,034.44

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Solution

The fourth proportional to 130,507,826.91, 180,105,426.50 and 71,775,034.44 is: 99,052,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507,826.91 : 180,105,426.50 = 71,775,034.44 : x
  2. Step 2: Convert to fraction form
    130,507,826.91/180,105,426.50 = 71,775,034.44/x
  3. Step 3: Cross multiply
    130,507,826.91x = 180,105,426.50 × 71,775,034.44
  4. Step 4: Simplify right side
    130,507,826.91x = 12,927,073,189,509,514
  5. Step 5: Solve for x
    x = 12,927,073,189,509,514/130,507,826.91
  6. Step 6: Final answer
    x = 99,052,091.32

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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.