Home / 210,342,888.64-290,288,207.10-116,255,011.48

Finding the Fourth Proportional to 210,342,888.64, 290,288,207.10 and 116,255,011.48

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Solution

The fourth proportional to 210,342,888.64, 290,288,207.10 and 116,255,011.48 is: 160,440,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,342,888.64 : 290,288,207.10 = 116,255,011.48 : x
  2. Step 2: Convert to fraction form
    210,342,888.64/290,288,207.10 = 116,255,011.48/x
  3. Step 3: Cross multiply
    210,342,888.64x = 290,288,207.10 × 116,255,011.48
  4. Step 4: Simplify right side
    210,342,888.64x = 33,747,458,848,919,120
  5. Step 5: Solve for x
    x = 33,747,458,848,919,120/210,342,888.64
  6. Step 6: Final answer
    x = 160,440,217.72

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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.