Home / 137,411,698.08-189,626,018.04-75,530,706.96

Finding the Fourth Proportional to 137,411,698.08, 189,626,018.04 and 75,530,706.96

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Solution

The fourth proportional to 137,411,698.08, 189,626,018.04 and 75,530,706.96 is: 104,231,207.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,411,698.08 : 189,626,018.04 = 75,530,706.96 : x
  2. Step 2: Convert to fraction form
    137,411,698.08/189,626,018.04 = 75,530,706.96/x
  3. Step 3: Cross multiply
    137,411,698.08x = 189,626,018.04 × 75,530,706.96
  4. Step 4: Simplify right side
    137,411,698.08x = 14,322,587,200,570,912
  5. Step 5: Solve for x
    x = 14,322,587,200,570,912/137,411,698.08
  6. Step 6: Final answer
    x = 104,231,207.39

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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.