Home / 213,248,799.85-319,991,232.16-104,074,875.22

Finding the Fourth Proportional to 213,248,799.85, 319,991,232.16 and 104,074,875.22

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Solution

The fourth proportional to 213,248,799.85, 319,991,232.16 and 104,074,875.22 is: 156,169,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,248,799.85 : 319,991,232.16 = 104,074,875.22 : x
  2. Step 2: Convert to fraction form
    213,248,799.85/319,991,232.16 = 104,074,875.22/x
  3. Step 3: Cross multiply
    213,248,799.85x = 319,991,232.16 × 104,074,875.22
  4. Step 4: Simplify right side
    213,248,799.85x = 33,303,047,558,025,672
  5. Step 5: Solve for x
    x = 33,303,047,558,025,672/213,248,799.85
  6. Step 6: Final answer
    x = 156,169,917.87

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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.