Home / 286,686,078.80-430,135,406.40-114,286,618.40

Finding the Fourth Proportional to 286,686,078.80, 430,135,406.40 and 114,286,618.40

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Solution

The fourth proportional to 286,686,078.80, 430,135,406.40 and 114,286,618.40 is: 171,472,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,686,078.80 : 430,135,406.40 = 114,286,618.40 : x
  2. Step 2: Convert to fraction form
    286,686,078.80/430,135,406.40 = 114,286,618.40/x
  3. Step 3: Cross multiply
    286,686,078.80x = 430,135,406.40 × 114,286,618.40
  4. Step 4: Simplify right side
    286,686,078.80x = 49,158,721,051,565,720
  5. Step 5: Solve for x
    x = 49,158,721,051,565,720/286,686,078.80
  6. Step 6: Final answer
    x = 171,472,299.10

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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.