Home / 127,492,715.10-191,239,072.65-41,239,840.80

Finding the Fourth Proportional to 127,492,715.10, 191,239,072.65 and 41,239,840.80

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Solution

The fourth proportional to 127,492,715.10, 191,239,072.65 and 41,239,840.80 is: 61,859,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,492,715.10 : 191,239,072.65 = 41,239,840.80 : x
  2. Step 2: Convert to fraction form
    127,492,715.10/191,239,072.65 = 41,239,840.80/x
  3. Step 3: Cross multiply
    127,492,715.10x = 191,239,072.65 × 41,239,840.80
  4. Step 4: Simplify right side
    127,492,715.10x = 7,886,668,910,825,634
  5. Step 5: Solve for x
    x = 7,886,668,910,825,634/127,492,715.10
  6. Step 6: Final answer
    x = 61,859,761.20

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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.