Home / 137,605,812.17-189,896,047.63-75,726,150.73

Finding the Fourth Proportional to 137,605,812.17, 189,896,047.63 and 75,726,150.73

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Solution

The fourth proportional to 137,605,812.17, 189,896,047.63 and 75,726,150.73 is: 104,502,102.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,605,812.17 : 189,896,047.63 = 75,726,150.73 : x
  2. Step 2: Convert to fraction form
    137,605,812.17/189,896,047.63 = 75,726,150.73/x
  3. Step 3: Cross multiply
    137,605,812.17x = 189,896,047.63 × 75,726,150.73
  4. Step 4: Simplify right side
    137,605,812.17x = 14,380,096,725,196,584
  5. Step 5: Solve for x
    x = 14,380,096,725,196,584/137,605,812.17
  6. Step 6: Final answer
    x = 104,502,102.77

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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.