Home / 281,232,021.60-421,848,032.40-119,652,962.40

Finding the Fourth Proportional to 281,232,021.60, 421,848,032.40 and 119,652,962.40

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Solution

The fourth proportional to 281,232,021.60, 421,848,032.40 and 119,652,962.40 is: 179,479,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,232,021.60 : 421,848,032.40 = 119,652,962.40 : x
  2. Step 2: Convert to fraction form
    281,232,021.60/421,848,032.40 = 119,652,962.40/x
  3. Step 3: Cross multiply
    281,232,021.60x = 421,848,032.40 × 119,652,962.40
  4. Step 4: Simplify right side
    281,232,021.60x = 50,475,366,759,271,184
  5. Step 5: Solve for x
    x = 50,475,366,759,271,184/281,232,021.60
  6. Step 6: Final answer
    x = 179,479,443.60

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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.