Home / 211,020,287.44-291,209,706.48-116,936,005.94

Finding the Fourth Proportional to 211,020,287.44, 291,209,706.48 and 116,936,005.94

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Solution

The fourth proportional to 211,020,287.44, 291,209,706.48 and 116,936,005.94 is: 161,372,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,020,287.44 : 291,209,706.48 = 116,936,005.94 : x
  2. Step 2: Convert to fraction form
    211,020,287.44/291,209,706.48 = 116,936,005.94/x
  3. Step 3: Cross multiply
    211,020,287.44x = 291,209,706.48 × 116,936,005.94
  4. Step 4: Simplify right side
    211,020,287.44x = 34,052,899,966,730,940
  5. Step 5: Solve for x
    x = 34,052,899,966,730,940/211,020,287.44
  6. Step 6: Final answer
    x = 161,372,635.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.