Home / 213,176,171.58-319,794,760.28-65,636,215.02

Finding the Fourth Proportional to 213,176,171.58, 319,794,760.28 and 65,636,215.02

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Solution

The fourth proportional to 213,176,171.58, 319,794,760.28 and 65,636,215.02 is: 98,463,714.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,176,171.58 : 319,794,760.28 = 65,636,215.02 : x
  2. Step 2: Convert to fraction form
    213,176,171.58/319,794,760.28 = 65,636,215.02/x
  3. Step 3: Cross multiply
    213,176,171.58x = 319,794,760.28 × 65,636,215.02
  4. Step 4: Simplify right side
    213,176,171.58x = 20,990,117,648,171,528
  5. Step 5: Solve for x
    x = 20,990,117,648,171,528/213,176,171.58
  6. Step 6: Final answer
    x = 98,463,714.27

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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.