Home / 179,643,806.78-269,349,854.45-70,480,010.39

Finding the Fourth Proportional to 179,643,806.78, 269,349,854.45 and 70,480,010.39

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Solution

The fourth proportional to 179,643,806.78, 269,349,854.45 and 70,480,010.39 is: 105,674,561.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,643,806.78 : 269,349,854.45 = 70,480,010.39 : x
  2. Step 2: Convert to fraction form
    179,643,806.78/269,349,854.45 = 70,480,010.39/x
  3. Step 3: Cross multiply
    179,643,806.78x = 269,349,854.45 × 70,480,010.39
  4. Step 4: Simplify right side
    179,643,806.78x = 18,983,780,538,481,840
  5. Step 5: Solve for x
    x = 18,983,780,538,481,840/179,643,806.78
  6. Step 6: Final answer
    x = 105,674,561.67

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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.