Home / 137,606,224.56-189,896,617.80-75,726,563.16

Finding the Fourth Proportional to 137,606,224.56, 189,896,617.80 and 75,726,563.16

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Solution

The fourth proportional to 137,606,224.56, 189,896,617.80 and 75,726,563.16 is: 104,502,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,606,224.56 : 189,896,617.80 = 75,726,563.16 : x
  2. Step 2: Convert to fraction form
    137,606,224.56/189,896,617.80 = 75,726,563.16/x
  3. Step 3: Cross multiply
    137,606,224.56x = 189,896,617.80 × 75,726,563.16
  4. Step 4: Simplify right side
    137,606,224.56x = 14,380,218,221,702,080
  5. Step 5: Solve for x
    x = 14,380,218,221,702,080/137,606,224.56
  6. Step 6: Final answer
    x = 104,502,672.52

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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.