Home / 129,945,423.94-194,916,299.13-31,577,853.59

Finding the Fourth Proportional to 129,945,423.94, 194,916,299.13 and 31,577,853.59

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Solution

The fourth proportional to 129,945,423.94, 194,916,299.13 and 31,577,853.59 is: 47,366,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,945,423.94 : 194,916,299.13 = 31,577,853.59 : x
  2. Step 2: Convert to fraction form
    129,945,423.94/194,916,299.13 = 31,577,853.59/x
  3. Step 3: Cross multiply
    129,945,423.94x = 194,916,299.13 × 31,577,853.59
  4. Step 4: Simplify right side
    129,945,423.94x = 6,155,038,355,988,139
  5. Step 5: Solve for x
    x = 6,155,038,355,988,139/129,945,423.94
  6. Step 6: Final answer
    x = 47,366,334.03

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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.