Home / 137,606,225.56-189,896,619.18-75,726,564.16

Finding the Fourth Proportional to 137,606,225.56, 189,896,619.18 and 75,726,564.16

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Solution

The fourth proportional to 137,606,225.56, 189,896,619.18 and 75,726,564.16 is: 104,502,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,606,225.56 : 189,896,619.18 = 75,726,564.16 : x
  2. Step 2: Convert to fraction form
    137,606,225.56/189,896,619.18 = 75,726,564.16/x
  3. Step 3: Cross multiply
    137,606,225.56x = 189,896,619.18 × 75,726,564.16
  4. Step 4: Simplify right side
    137,606,225.56x = 14,380,218,516,101,356
  5. Step 5: Solve for x
    x = 14,380,218,516,101,356/137,606,225.56
  6. Step 6: Final answer
    x = 104,502,673.90

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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.