Home / 153,954,110.66-231,007,040.31-72,078,533.06

Finding the Fourth Proportional to 153,954,110.66, 231,007,040.31 and 72,078,533.06

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Solution

The fourth proportional to 153,954,110.66, 231,007,040.31 and 72,078,533.06 is: 108,153,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,954,110.66 : 231,007,040.31 = 72,078,533.06 : x
  2. Step 2: Convert to fraction form
    153,954,110.66/231,007,040.31 = 72,078,533.06/x
  3. Step 3: Cross multiply
    153,954,110.66x = 231,007,040.31 × 72,078,533.06
  4. Step 4: Simplify right side
    153,954,110.66x = 16,650,648,592,077,088
  5. Step 5: Solve for x
    x = 16,650,648,592,077,088/153,954,110.66
  6. Step 6: Final answer
    x = 108,153,322.58

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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.