Home / 129,586,040.40-194,381,364.60-38,710,750.80

Finding the Fourth Proportional to 129,586,040.40, 194,381,364.60 and 38,710,750.80

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Solution

The fourth proportional to 129,586,040.40, 194,381,364.60 and 38,710,750.80 is: 58,066,814.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,586,040.40 : 194,381,364.60 = 38,710,750.80 : x
  2. Step 2: Convert to fraction form
    129,586,040.40/194,381,364.60 = 38,710,750.80/x
  3. Step 3: Cross multiply
    129,586,040.40x = 194,381,364.60 × 38,710,750.80
  4. Step 4: Simplify right side
    129,586,040.40x = 7,524,648,565,194,541
  5. Step 5: Solve for x
    x = 7,524,648,565,194,541/129,586,040.40
  6. Step 6: Final answer
    x = 58,066,814.47

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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.