Home / 123,020,507.90-184,404,790.65-71,876,200.70

Finding the Fourth Proportional to 123,020,507.90, 184,404,790.65 and 71,876,200.70

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Solution

The fourth proportional to 123,020,507.90, 184,404,790.65 and 71,876,200.70 is: 107,740,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,020,507.90 : 184,404,790.65 = 71,876,200.70 : x
  2. Step 2: Convert to fraction form
    123,020,507.90/184,404,790.65 = 71,876,200.70/x
  3. Step 3: Cross multiply
    123,020,507.90x = 184,404,790.65 × 71,876,200.70
  4. Step 4: Simplify right side
    123,020,507.90x = 13,254,315,742,800,884
  5. Step 5: Solve for x
    x = 13,254,315,742,800,884/123,020,507.90
  6. Step 6: Final answer
    x = 107,740,700.87

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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.