Home / 129,783,303.32-194,683,617.18-45,642,591.26

Finding the Fourth Proportional to 129,783,303.32, 194,683,617.18 and 45,642,591.26

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Solution

The fourth proportional to 129,783,303.32, 194,683,617.18 and 45,642,591.26 is: 68,466,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,783,303.32 : 194,683,617.18 = 45,642,591.26 : x
  2. Step 2: Convert to fraction form
    129,783,303.32/194,683,617.18 = 45,642,591.26/x
  3. Step 3: Cross multiply
    129,783,303.32x = 194,683,617.18 × 45,642,591.26
  4. Step 4: Simplify right side
    129,783,303.32x = 8,885,864,763,965,054
  5. Step 5: Solve for x
    x = 8,885,864,763,965,054/129,783,303.32
  6. Step 6: Final answer
    x = 68,466,933.24

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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.