Home / 306,087,667.40-459,131,501.10-124,465,190.60

Finding the Fourth Proportional to 306,087,667.40, 459,131,501.10 and 124,465,190.60

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Solution

The fourth proportional to 306,087,667.40, 459,131,501.10 and 124,465,190.60 is: 186,697,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,087,667.40 : 459,131,501.10 = 124,465,190.60 : x
  2. Step 2: Convert to fraction form
    306,087,667.40/459,131,501.10 = 124,465,190.60/x
  3. Step 3: Cross multiply
    306,087,667.40x = 459,131,501.10 × 124,465,190.60
  4. Step 4: Simplify right side
    306,087,667.40x = 57,145,889,794,875,608
  5. Step 5: Solve for x
    x = 57,145,889,794,875,608/306,087,667.40
  6. Step 6: Final answer
    x = 186,697,785.90

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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.