Home / 213,246,020.35-319,869,030.53-174,503,971.45

Finding the Fourth Proportional to 213,246,020.35, 319,869,030.53 and 174,503,971.45

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Solution

The fourth proportional to 213,246,020.35, 319,869,030.53 and 174,503,971.45 is: 261,755,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,246,020.35 : 319,869,030.53 = 174,503,971.45 : x
  2. Step 2: Convert to fraction form
    213,246,020.35/319,869,030.53 = 174,503,971.45/x
  3. Step 3: Cross multiply
    213,246,020.35x = 319,869,030.53 × 174,503,971.45
  4. Step 4: Simplify right side
    213,246,020.35x = 55,818,416,170,473,768
  5. Step 5: Solve for x
    x = 55,818,416,170,473,768/213,246,020.35
  6. Step 6: Final answer
    x = 261,755,957.18

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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.