Home / 129,453,074.40-194,254,261.20-48,731,973.60

Finding the Fourth Proportional to 129,453,074.40, 194,254,261.20 and 48,731,973.60

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Solution

The fourth proportional to 129,453,074.40, 194,254,261.20 and 48,731,973.60 is: 73,126,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,453,074.40 : 194,254,261.20 = 48,731,973.60 : x
  2. Step 2: Convert to fraction form
    129,453,074.40/194,254,261.20 = 48,731,973.60/x
  3. Step 3: Cross multiply
    129,453,074.40x = 194,254,261.20 × 48,731,973.60
  4. Step 4: Simplify right side
    129,453,074.40x = 9,466,393,528,485,904
  5. Step 5: Solve for x
    x = 9,466,393,528,485,904/129,453,074.40
  6. Step 6: Final answer
    x = 73,126,061.88

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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.