Home / 126,011,639.60-189,017,459.40-30,273,527.60

Finding the Fourth Proportional to 126,011,639.60, 189,017,459.40 and 30,273,527.60

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Solution

The fourth proportional to 126,011,639.60, 189,017,459.40 and 30,273,527.60 is: 45,410,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,011,639.60 : 189,017,459.40 = 30,273,527.60 : x
  2. Step 2: Convert to fraction form
    126,011,639.60/189,017,459.40 = 30,273,527.60/x
  3. Step 3: Cross multiply
    126,011,639.60x = 189,017,459.40 × 30,273,527.60
  4. Step 4: Simplify right side
    126,011,639.60x = 5,722,225,274,027,780
  5. Step 5: Solve for x
    x = 5,722,225,274,027,780/126,011,639.60
  6. Step 6: Final answer
    x = 45,410,291.40

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1.5x scale

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.