Home / 166,300,145.18-229,495,686.62-91,965,706.68

Finding the Fourth Proportional to 166,300,145.18, 229,495,686.62 and 91,965,706.68

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Solution

The fourth proportional to 166,300,145.18, 229,495,686.62 and 91,965,706.68 is: 126,913,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,300,145.18 : 229,495,686.62 = 91,965,706.68 : x
  2. Step 2: Convert to fraction form
    166,300,145.18/229,495,686.62 = 91,965,706.68/x
  3. Step 3: Cross multiply
    166,300,145.18x = 229,495,686.62 × 91,965,706.68
  4. Step 4: Simplify right side
    166,300,145.18x = 21,105,732,999,129,988
  5. Step 5: Solve for x
    x = 21,105,732,999,129,988/166,300,145.18
  6. Step 6: Final answer
    x = 126,913,497.14

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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.