Home / 100,922,954.69-139,273,733.15-54,513,208.46

Finding the Fourth Proportional to 100,922,954.69, 139,273,733.15 and 54,513,208.46

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Solution

The fourth proportional to 100,922,954.69, 139,273,733.15 and 54,513,208.46 is: 75,228,257.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,922,954.69 : 139,273,733.15 = 54,513,208.46 : x
  2. Step 2: Convert to fraction form
    100,922,954.69/139,273,733.15 = 54,513,208.46/x
  3. Step 3: Cross multiply
    100,922,954.69x = 139,273,733.15 × 54,513,208.46
  4. Step 4: Simplify right side
    100,922,954.69x = 7,592,258,047,239,428
  5. Step 5: Solve for x
    x = 7,592,258,047,239,428/100,922,954.69
  6. Step 6: Final answer
    x = 75,228,257.74

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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.