Home / 210,393,147.58-290,342,937.06-117,573,655.54

Finding the Fourth Proportional to 210,393,147.58, 290,342,937.06 and 117,573,655.54

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Solution

The fourth proportional to 210,393,147.58, 290,342,937.06 and 117,573,655.54 is: 162,251,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,393,147.58 : 290,342,937.06 = 117,573,655.54 : x
  2. Step 2: Convert to fraction form
    210,393,147.58/290,342,937.06 = 117,573,655.54/x
  3. Step 3: Cross multiply
    210,393,147.58x = 290,342,937.06 × 117,573,655.54
  4. Step 4: Simplify right side
    210,393,147.58x = 34,136,680,470,364,344
  5. Step 5: Solve for x
    x = 34,136,680,470,364,344/210,393,147.58
  6. Step 6: Final answer
    x = 162,251,864.49

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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.