Home / 118,507,152.96-177,599,328.48-66,716,458.56

Finding the Fourth Proportional to 118,507,152.96, 177,599,328.48 and 66,716,458.56

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Solution

The fourth proportional to 118,507,152.96, 177,599,328.48 and 66,716,458.56 is: 99,983,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,507,152.96 : 177,599,328.48 = 66,716,458.56 : x
  2. Step 2: Convert to fraction form
    118,507,152.96/177,599,328.48 = 66,716,458.56/x
  3. Step 3: Cross multiply
    118,507,152.96x = 177,599,328.48 × 66,716,458.56
  4. Step 4: Simplify right side
    118,507,152.96x = 11,848,798,238,819,748
  5. Step 5: Solve for x
    x = 11,848,798,238,819,748/118,507,152.96
  6. Step 6: Final answer
    x = 99,983,823.28

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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.