Home / 235,264,748.56-324,663,561.24-129,415,890.40

Finding the Fourth Proportional to 235,264,748.56, 324,663,561.24 and 129,415,890.40

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Solution

The fourth proportional to 235,264,748.56, 324,663,561.24 and 129,415,890.40 is: 178,592,943.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,264,748.56 : 324,663,561.24 = 129,415,890.40 : x
  2. Step 2: Convert to fraction form
    235,264,748.56/324,663,561.24 = 129,415,890.40/x
  3. Step 3: Cross multiply
    235,264,748.56x = 324,663,561.24 × 129,415,890.40
  4. Step 4: Simplify right side
    235,264,748.56x = 42,016,623,858,309,528
  5. Step 5: Solve for x
    x = 42,016,623,858,309,528/235,264,748.56
  6. Step 6: Final answer
    x = 178,592,943.12

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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.