Home / 378,130,211.64-567,196,381.53-145,032,375.06

Finding the Fourth Proportional to 378,130,211.64, 567,196,381.53 and 145,032,375.06

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Solution

The fourth proportional to 378,130,211.64, 567,196,381.53 and 145,032,375.06 is: 217,548,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,130,211.64 : 567,196,381.53 = 145,032,375.06 : x
  2. Step 2: Convert to fraction form
    378,130,211.64/567,196,381.53 = 145,032,375.06/x
  3. Step 3: Cross multiply
    378,130,211.64x = 567,196,381.53 × 145,032,375.06
  4. Step 4: Simplify right side
    378,130,211.64x = 82,261,838,340,073,712
  5. Step 5: Solve for x
    x = 82,261,838,340,073,712/378,130,211.64
  6. Step 6: Final answer
    x = 217,548,970.72

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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.