Home / 218,724,715.76-301,697,884.42-140,284,024.16

Finding the Fourth Proportional to 218,724,715.76, 301,697,884.42 and 140,284,024.16

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Solution

The fourth proportional to 218,724,715.76, 301,697,884.42 and 140,284,024.16 is: 193,500,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,724,715.76 : 301,697,884.42 = 140,284,024.16 : x
  2. Step 2: Convert to fraction form
    218,724,715.76/301,697,884.42 = 140,284,024.16/x
  3. Step 3: Cross multiply
    218,724,715.76x = 301,697,884.42 × 140,284,024.16
  4. Step 4: Simplify right side
    218,724,715.76x = 42,323,393,306,996,168
  5. Step 5: Solve for x
    x = 42,323,393,306,996,168/218,724,715.76
  6. Step 6: Final answer
    x = 193,500,735.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.