Home / 295,172,877.40-442,948,272.90-172,350,957.40

Finding the Fourth Proportional to 295,172,877.40, 442,948,272.90 and 172,350,957.40

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Solution

The fourth proportional to 295,172,877.40, 442,948,272.90 and 172,350,957.40 is: 258,636,767.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,172,877.40 : 442,948,272.90 = 172,350,957.40 : x
  2. Step 2: Convert to fraction form
    295,172,877.40/442,948,272.90 = 172,350,957.40/x
  3. Step 3: Cross multiply
    295,172,877.40x = 442,948,272.90 × 172,350,957.40
  4. Step 4: Simplify right side
    295,172,877.40x = 76,342,558,912,991,472
  5. Step 5: Solve for x
    x = 76,342,558,912,991,472/295,172,877.40
  6. Step 6: Final answer
    x = 258,636,767.66

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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.