Home / 218,724,653.16-301,697,798.18-140,283,961.56

Finding the Fourth Proportional to 218,724,653.16, 301,697,798.18 and 140,283,961.56

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Solution

The fourth proportional to 218,724,653.16, 301,697,798.18 and 140,283,961.56 is: 193,500,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,724,653.16 : 301,697,798.18 = 140,283,961.56 : x
  2. Step 2: Convert to fraction form
    218,724,653.16/301,697,798.18 = 140,283,961.56/x
  3. Step 3: Cross multiply
    218,724,653.16x = 301,697,798.18 × 140,283,961.56
  4. Step 4: Simplify right side
    218,724,653.16x = 42,323,362,321,918,344
  5. Step 5: Solve for x
    x = 42,323,362,321,918,344/218,724,653.16
  6. Step 6: Final answer
    x = 193,500,648.92

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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.