Home / 194,110,034.40-291,309,660.23-142,428,186.63

Finding the Fourth Proportional to 194,110,034.40, 291,309,660.23 and 142,428,186.63

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Solution

The fourth proportional to 194,110,034.40, 291,309,660.23 and 142,428,186.63 is: 213,748,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,110,034.40 : 291,309,660.23 = 142,428,186.63 : x
  2. Step 2: Convert to fraction form
    194,110,034.40/291,309,660.23 = 142,428,186.63/x
  3. Step 3: Cross multiply
    194,110,034.40x = 291,309,660.23 × 142,428,186.63
  4. Step 4: Simplify right side
    194,110,034.40x = 41,490,706,653,648,192
  5. Step 5: Solve for x
    x = 41,490,706,653,648,192/194,110,034.40
  6. Step 6: Final answer
    x = 213,748,386.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.