Home / 127,920,657.76-176,530,507.84-69,183,322.56

Finding the Fourth Proportional to 127,920,657.76, 176,530,507.84 and 69,183,322.56

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Solution

The fourth proportional to 127,920,657.76, 176,530,507.84 and 69,183,322.56 is: 95,472,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,920,657.76 : 176,530,507.84 = 69,183,322.56 : x
  2. Step 2: Convert to fraction form
    127,920,657.76/176,530,507.84 = 69,183,322.56/x
  3. Step 3: Cross multiply
    127,920,657.76x = 176,530,507.84 × 69,183,322.56
  4. Step 4: Simplify right side
    127,920,657.76x = 12,212,967,065,575,330
  5. Step 5: Solve for x
    x = 12,212,967,065,575,330/127,920,657.76
  6. Step 6: Final answer
    x = 95,472,985.20

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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.