Home / 211,597,510.09-291,978,122.02-117,498,863.29

Finding the Fourth Proportional to 211,597,510.09, 291,978,122.02 and 117,498,863.29

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Solution

The fourth proportional to 211,597,510.09, 291,978,122.02 and 117,498,863.29 is: 162,133,748.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,597,510.09 : 291,978,122.02 = 117,498,863.29 : x
  2. Step 2: Convert to fraction form
    211,597,510.09/291,978,122.02 = 117,498,863.29/x
  3. Step 3: Cross multiply
    211,597,510.09x = 291,978,122.02 × 117,498,863.29
  4. Step 4: Simplify right side
    211,597,510.09x = 34,307,097,442,898,920
  5. Step 5: Solve for x
    x = 34,307,097,442,898,920/211,597,510.09
  6. Step 6: Final answer
    x = 162,133,748.31

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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.