Home / 381,361,715.36-572,047,887.36-108,732,482.36

Finding the Fourth Proportional to 381,361,715.36, 572,047,887.36 and 108,732,482.36

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Solution

The fourth proportional to 381,361,715.36, 572,047,887.36 and 108,732,482.36 is: 163,100,238.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,361,715.36 : 572,047,887.36 = 108,732,482.36 : x
  2. Step 2: Convert to fraction form
    381,361,715.36/572,047,887.36 = 108,732,482.36/x
  3. Step 3: Cross multiply
    381,361,715.36x = 572,047,887.36 × 108,732,482.36
  4. Step 4: Simplify right side
    381,361,715.36x = 62,200,186,821,446,472
  5. Step 5: Solve for x
    x = 62,200,186,821,446,472/381,361,715.36
  6. Step 6: Final answer
    x = 163,100,238.74

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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.