Home / 280,728,051.60-421,092,077.40-98,914,803.60

Finding the Fourth Proportional to 280,728,051.60, 421,092,077.40 and 98,914,803.60

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Solution

The fourth proportional to 280,728,051.60, 421,092,077.40 and 98,914,803.60 is: 148,372,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,728,051.60 : 421,092,077.40 = 98,914,803.60 : x
  2. Step 2: Convert to fraction form
    280,728,051.60/421,092,077.40 = 98,914,803.60/x
  3. Step 3: Cross multiply
    280,728,051.60x = 421,092,077.40 × 98,914,803.60
  4. Step 4: Simplify right side
    280,728,051.60x = 41,652,240,133,536,992
  5. Step 5: Solve for x
    x = 41,652,240,133,536,992/280,728,051.60
  6. Step 6: Final answer
    x = 148,372,205.40

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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.