Home / 104,985,305.70-157,477,958.55-83,302,512.90

Finding the Fourth Proportional to 104,985,305.70, 157,477,958.55 and 83,302,512.90

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Solution

The fourth proportional to 104,985,305.70, 157,477,958.55 and 83,302,512.90 is: 124,953,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,985,305.70 : 157,477,958.55 = 83,302,512.90 : x
  2. Step 2: Convert to fraction form
    104,985,305.70/157,477,958.55 = 83,302,512.90/x
  3. Step 3: Cross multiply
    104,985,305.70x = 157,477,958.55 × 83,302,512.90
  4. Step 4: Simplify right side
    104,985,305.70x = 13,118,309,673,577,042
  5. Step 5: Solve for x
    x = 13,118,309,673,577,042/104,985,305.70
  6. Step 6: Final answer
    x = 124,953,769.35

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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.