Home / 213,919,590.40-320,356,067.28-193,216,534.72

Finding the Fourth Proportional to 213,919,590.40, 320,356,067.28 and 193,216,534.72

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Solution

The fourth proportional to 213,919,590.40, 320,356,067.28 and 193,216,534.72 is: 289,352,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,919,590.40 : 320,356,067.28 = 193,216,534.72 : x
  2. Step 2: Convert to fraction form
    213,919,590.40/320,356,067.28 = 193,216,534.72/x
  3. Step 3: Cross multiply
    213,919,590.40x = 320,356,067.28 × 193,216,534.72
  4. Step 4: Simplify right side
    213,919,590.40x = 61,898,089,196,368,768
  5. Step 5: Solve for x
    x = 61,898,089,196,368,768/213,919,590.40
  6. Step 6: Final answer
    x = 289,352,130.31

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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.