Home / 329,740,951.18-455,021,816.18-181,061,031.40

Finding the Fourth Proportional to 329,740,951.18, 455,021,816.18 and 181,061,031.40

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Solution

The fourth proportional to 329,740,951.18, 455,021,816.18 and 181,061,031.40 is: 249,852,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,740,951.18 : 455,021,816.18 = 181,061,031.40 : x
  2. Step 2: Convert to fraction form
    329,740,951.18/455,021,816.18 = 181,061,031.40/x
  3. Step 3: Cross multiply
    329,740,951.18x = 455,021,816.18 × 181,061,031.40
  4. Step 4: Simplify right side
    329,740,951.18x = 82,386,719,347,052,016
  5. Step 5: Solve for x
    x = 82,386,719,347,052,016/329,740,951.18
  6. Step 6: Final answer
    x = 249,852,858.89

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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.