Home / 129,457,838.80-194,112,108.60-48,686,971.60

Finding the Fourth Proportional to 129,457,838.80, 194,112,108.60 and 48,686,971.60

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Solution

The fourth proportional to 129,457,838.80, 194,112,108.60 and 48,686,971.60 is: 73,002,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,457,838.80 : 194,112,108.60 = 48,686,971.60 : x
  2. Step 2: Convert to fraction form
    129,457,838.80/194,112,108.60 = 48,686,971.60/x
  3. Step 3: Cross multiply
    129,457,838.80x = 194,112,108.60 × 48,686,971.60
  4. Step 4: Simplify right side
    129,457,838.80x = 9,450,730,718,624,316
  5. Step 5: Solve for x
    x = 9,450,730,718,624,316/129,457,838.80
  6. Step 6: Final answer
    x = 73,002,382.91

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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.