Home / 129,437,376.56-194,156,066.46-31,069,082.94

Finding the Fourth Proportional to 129,437,376.56, 194,156,066.46 and 31,069,082.94

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Solution

The fourth proportional to 129,437,376.56, 194,156,066.46 and 31,069,082.94 is: 46,603,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,437,376.56 : 194,156,066.46 = 31,069,082.94 : x
  2. Step 2: Convert to fraction form
    129,437,376.56/194,156,066.46 = 31,069,082.94/x
  3. Step 3: Cross multiply
    129,437,376.56x = 194,156,066.46 × 31,069,082.94
  4. Step 4: Simplify right side
    129,437,376.56x = 6,032,250,931,720,434
  5. Step 5: Solve for x
    x = 6,032,250,931,720,434/129,437,376.56
  6. Step 6: Final answer
    x = 46,603,624.79

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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.