Home / 210,440,458.65-290,396,118.77-116,349,165.86

Finding the Fourth Proportional to 210,440,458.65, 290,396,118.77 and 116,349,165.86

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Solution

The fourth proportional to 210,440,458.65, 290,396,118.77 and 116,349,165.86 is: 160,555,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,440,458.65 : 290,396,118.77 = 116,349,165.86 : x
  2. Step 2: Convert to fraction form
    210,440,458.65/290,396,118.77 = 116,349,165.86/x
  3. Step 3: Cross multiply
    210,440,458.65x = 290,396,118.77 × 116,349,165.86
  4. Step 4: Simplify right side
    210,440,458.65x = 33,787,346,186,273,576
  5. Step 5: Solve for x
    x = 33,787,346,186,273,576/210,440,458.65
  6. Step 6: Final answer
    x = 160,555,372.30

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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.