Home / 124,334,534.40-186,669,763.20-78,984,902.40

Finding the Fourth Proportional to 124,334,534.40, 186,669,763.20 and 78,984,902.40

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Solution

The fourth proportional to 124,334,534.40, 186,669,763.20 and 78,984,902.40 is: 118,584,053.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,334,534.40 : 186,669,763.20 = 78,984,902.40 : x
  2. Step 2: Convert to fraction form
    124,334,534.40/186,669,763.20 = 78,984,902.40/x
  3. Step 3: Cross multiply
    124,334,534.40x = 186,669,763.20 × 78,984,902.40
  4. Step 4: Simplify right side
    124,334,534.40x = 14,744,093,027,383,112
  5. Step 5: Solve for x
    x = 14,744,093,027,383,112/124,334,534.40
  6. Step 6: Final answer
    x = 118,584,053.08

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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.