Home / 315,258,907.68-472,933,490.27-96,927,579.38

Finding the Fourth Proportional to 315,258,907.68, 472,933,490.27 and 96,927,579.38

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Solution

The fourth proportional to 315,258,907.68, 472,933,490.27 and 96,927,579.38 is: 145,405,244.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,258,907.68 : 472,933,490.27 = 96,927,579.38 : x
  2. Step 2: Convert to fraction form
    315,258,907.68/472,933,490.27 = 96,927,579.38/x
  3. Step 3: Cross multiply
    315,258,907.68x = 472,933,490.27 × 96,927,579.38
  4. Step 4: Simplify right side
    315,258,907.68x = 45,840,298,420,303,576
  5. Step 5: Solve for x
    x = 45,840,298,420,303,576/315,258,907.68
  6. Step 6: Final answer
    x = 145,405,244.08

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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.