Home / 118,507,156.71-177,599,334.10-66,716,462.31

Finding the Fourth Proportional to 118,507,156.71, 177,599,334.10 and 66,716,462.31

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Solution

The fourth proportional to 118,507,156.71, 177,599,334.10 and 66,716,462.31 is: 99,983,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,507,156.71 : 177,599,334.10 = 66,716,462.31 : x
  2. Step 2: Convert to fraction form
    118,507,156.71/177,599,334.10 = 66,716,462.31/x
  3. Step 3: Cross multiply
    118,507,156.71x = 177,599,334.10 × 66,716,462.31
  4. Step 4: Simplify right side
    118,507,156.71x = 11,848,799,279,763,748
  5. Step 5: Solve for x
    x = 11,848,799,279,763,748/118,507,156.71
  6. Step 6: Final answer
    x = 99,983,828.90

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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.