Home / 235,438,938.66-324,903,156.93-129,590,090.76

Finding the Fourth Proportional to 235,438,938.66, 324,903,156.93 and 129,590,090.76

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Solution

The fourth proportional to 235,438,938.66, 324,903,156.93 and 129,590,090.76 is: 178,832,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,438,938.66 : 324,903,156.93 = 129,590,090.76 : x
  2. Step 2: Convert to fraction form
    235,438,938.66/324,903,156.93 = 129,590,090.76/x
  3. Step 3: Cross multiply
    235,438,938.66x = 324,903,156.93 × 129,590,090.76
  4. Step 4: Simplify right side
    235,438,938.66x = 42,104,229,594,769,224
  5. Step 5: Solve for x
    x = 42,104,229,594,769,224/235,438,938.66
  6. Step 6: Final answer
    x = 178,832,906.04

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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.