Home / 211,197,265.92-290,907,054.72-149,210,000.64

Finding the Fourth Proportional to 211,197,265.92, 290,907,054.72 and 149,210,000.64

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Solution

The fourth proportional to 211,197,265.92, 290,907,054.72 and 149,210,000.64 is: 205,524,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,197,265.92 : 290,907,054.72 = 149,210,000.64 : x
  2. Step 2: Convert to fraction form
    211,197,265.92/290,907,054.72 = 149,210,000.64/x
  3. Step 3: Cross multiply
    211,197,265.92x = 290,907,054.72 × 149,210,000.64
  4. Step 4: Simplify right side
    211,197,265.92x = 43,406,241,820,951,712
  5. Step 5: Solve for x
    x = 43,406,241,820,951,712/211,197,265.92
  6. Step 6: Final answer
    x = 205,524,638.93

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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.