Home / 124,991,630.32-187,486,909.98-31,619,485.66

Finding the Fourth Proportional to 124,991,630.32, 187,486,909.98 and 31,619,485.66

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Solution

The fourth proportional to 124,991,630.32, 187,486,909.98 and 31,619,485.66 is: 47,429,093.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,991,630.32 : 187,486,909.98 = 31,619,485.66 : x
  2. Step 2: Convert to fraction form
    124,991,630.32/187,486,909.98 = 31,619,485.66/x
  3. Step 3: Cross multiply
    124,991,630.32x = 187,486,909.98 × 31,619,485.66
  4. Step 4: Simplify right side
    124,991,630.32x = 5,928,239,661,550,321
  5. Step 5: Solve for x
    x = 5,928,239,661,550,321/124,991,630.32
  6. Step 6: Final answer
    x = 47,429,093.02

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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.