Home / 153,954,111.16-231,007,041.06-72,078,533.56

Finding the Fourth Proportional to 153,954,111.16, 231,007,041.06 and 72,078,533.56

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Solution

The fourth proportional to 153,954,111.16, 231,007,041.06 and 72,078,533.56 is: 108,153,323.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,954,111.16 : 231,007,041.06 = 72,078,533.56 : x
  2. Step 2: Convert to fraction form
    153,954,111.16/231,007,041.06 = 72,078,533.56/x
  3. Step 3: Cross multiply
    153,954,111.16x = 231,007,041.06 × 72,078,533.56
  4. Step 4: Simplify right side
    153,954,111.16x = 16,650,648,761,639,508
  5. Step 5: Solve for x
    x = 16,650,648,761,639,508/153,954,111.16
  6. Step 6: Final answer
    x = 108,153,323.33

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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.