Home / 211,597,332.22-291,977,877.18-117,498,685.18

Finding the Fourth Proportional to 211,597,332.22, 291,977,877.18 and 117,498,685.18

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Solution

The fourth proportional to 211,597,332.22, 291,977,877.18 and 117,498,685.18 is: 162,133,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,597,332.22 : 291,977,877.18 = 117,498,685.18 : x
  2. Step 2: Convert to fraction form
    211,597,332.22/291,977,877.18 = 117,498,685.18/x
  3. Step 3: Cross multiply
    211,597,332.22x = 291,977,877.18 × 117,498,685.18
  4. Step 4: Simplify right side
    211,597,332.22x = 34,307,016,670,297,528
  5. Step 5: Solve for x
    x = 34,307,016,670,297,528/211,597,332.22
  6. Step 6: Final answer
    x = 162,133,502.87

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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.