Home / 131,316,150.60-196,971,084.77-42,684,609.69

Finding the Fourth Proportional to 131,316,150.60, 196,971,084.77 and 42,684,609.69

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Solution

The fourth proportional to 131,316,150.60, 196,971,084.77 and 42,684,609.69 is: 64,025,893.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,316,150.60 : 196,971,084.77 = 42,684,609.69 : x
  2. Step 2: Convert to fraction form
    131,316,150.60/196,971,084.77 = 42,684,609.69/x
  3. Step 3: Cross multiply
    131,316,150.60x = 196,971,084.77 × 42,684,609.69
  4. Step 4: Simplify right side
    131,316,150.60x = 8,407,633,873,409,929
  5. Step 5: Solve for x
    x = 8,407,633,873,409,929/131,316,150.60
  6. Step 6: Final answer
    x = 64,025,893.50

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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.