Home / 126,374,848.80-189,583,268.40-49,700,378.40

Finding the Fourth Proportional to 126,374,848.80, 189,583,268.40 and 49,700,378.40

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Solution

The fourth proportional to 126,374,848.80, 189,583,268.40 and 49,700,378.40 is: 74,558,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,374,848.80 : 189,583,268.40 = 49,700,378.40 : x
  2. Step 2: Convert to fraction form
    126,374,848.80/189,583,268.40 = 49,700,378.40/x
  3. Step 3: Cross multiply
    126,374,848.80x = 189,583,268.40 × 49,700,378.40
  4. Step 4: Simplify right side
    126,374,848.80x = 9,422,360,177,788,762
  5. Step 5: Solve for x
    x = 9,422,360,177,788,762/126,374,848.80
  6. Step 6: Final answer
    x = 74,558,824.54

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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.