Home / 126,036,164.60-189,054,246.90-30,298,052.60

Finding the Fourth Proportional to 126,036,164.60, 189,054,246.90 and 30,298,052.60

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Solution

The fourth proportional to 126,036,164.60, 189,054,246.90 and 30,298,052.60 is: 45,447,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,036,164.60 : 189,054,246.90 = 30,298,052.60 : x
  2. Step 2: Convert to fraction form
    126,036,164.60/189,054,246.90 = 30,298,052.60/x
  3. Step 3: Cross multiply
    126,036,164.60x = 189,054,246.90 × 30,298,052.60
  4. Step 4: Simplify right side
    126,036,164.60x = 5,727,975,516,829,587
  5. Step 5: Solve for x
    x = 5,727,975,516,829,587/126,036,164.60
  6. Step 6: Final answer
    x = 45,447,078.90

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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.