Home / 207,357,656.39-311,034,355.53-119,863,501.34

Finding the Fourth Proportional to 207,357,656.39, 311,034,355.53 and 119,863,501.34

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Solution

The fourth proportional to 207,357,656.39, 311,034,355.53 and 119,863,501.34 is: 179,794,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,357,656.39 : 311,034,355.53 = 119,863,501.34 : x
  2. Step 2: Convert to fraction form
    207,357,656.39/311,034,355.53 = 119,863,501.34/x
  3. Step 3: Cross multiply
    207,357,656.39x = 311,034,355.53 × 119,863,501.34
  4. Step 4: Simplify right side
    207,357,656.39x = 37,281,666,890,856,192
  5. Step 5: Solve for x
    x = 37,281,666,890,856,192/207,357,656.39
  6. Step 6: Final answer
    x = 179,794,021.31

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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.