Home / 255,528,305.70-383,292,458.55-140,468,388.90

Finding the Fourth Proportional to 255,528,305.70, 383,292,458.55 and 140,468,388.90

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Solution

The fourth proportional to 255,528,305.70, 383,292,458.55 and 140,468,388.90 is: 210,702,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,528,305.70 : 383,292,458.55 = 140,468,388.90 : x
  2. Step 2: Convert to fraction form
    255,528,305.70/383,292,458.55 = 140,468,388.90/x
  3. Step 3: Cross multiply
    255,528,305.70x = 383,292,458.55 × 140,468,388.90
  4. Step 4: Simplify right side
    255,528,305.70x = 53,840,474,130,038,536
  5. Step 5: Solve for x
    x = 53,840,474,130,038,536/255,528,305.70
  6. Step 6: Final answer
    x = 210,702,583.35

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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.