Home / 213,036,358.60-319,554,537.90-76,704,027.40

Finding the Fourth Proportional to 213,036,358.60, 319,554,537.90 and 76,704,027.40

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Solution

The fourth proportional to 213,036,358.60, 319,554,537.90 and 76,704,027.40 is: 115,056,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,036,358.60 : 319,554,537.90 = 76,704,027.40 : x
  2. Step 2: Convert to fraction form
    213,036,358.60/319,554,537.90 = 76,704,027.40/x
  3. Step 3: Cross multiply
    213,036,358.60x = 319,554,537.90 × 76,704,027.40
  4. Step 4: Simplify right side
    213,036,358.60x = 24,511,120,030,875,940
  5. Step 5: Solve for x
    x = 24,511,120,030,875,940/213,036,358.60
  6. Step 6: Final answer
    x = 115,056,041.10

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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.