Home / 104,079,543.22-143,629,938.48-57,029,140.11

Finding the Fourth Proportional to 104,079,543.22, 143,629,938.48 and 57,029,140.11

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Solution

The fourth proportional to 104,079,543.22, 143,629,938.48 and 57,029,140.11 is: 78,700,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,079,543.22 : 143,629,938.48 = 57,029,140.11 : x
  2. Step 2: Convert to fraction form
    104,079,543.22/143,629,938.48 = 57,029,140.11/x
  3. Step 3: Cross multiply
    104,079,543.22x = 143,629,938.48 × 57,029,140.11
  4. Step 4: Simplify right side
    104,079,543.22x = 8,191,091,885,566,600
  5. Step 5: Solve for x
    x = 8,191,091,885,566,600/104,079,543.22
  6. Step 6: Final answer
    x = 78,700,305.86

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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.