Home / 70,038,810.12-105,217,647.47-50,667,785.67

Finding the Fourth Proportional to 70,038,810.12, 105,217,647.47 and 50,667,785.67

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Solution

The fourth proportional to 70,038,810.12, 105,217,647.47 and 50,667,785.67 is: 76,117,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,038,810.12 : 105,217,647.47 = 50,667,785.67 : x
  2. Step 2: Convert to fraction form
    70,038,810.12/105,217,647.47 = 50,667,785.67/x
  3. Step 3: Cross multiply
    70,038,810.12x = 105,217,647.47 × 50,667,785.67
  4. Step 4: Simplify right side
    70,038,810.12x = 5,331,145,210,185,489
  5. Step 5: Solve for x
    x = 5,331,145,210,185,489/70,038,810.12
  6. Step 6: Final answer
    x = 76,117,015.72

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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.