Home / 217,258,557.67-299,822,491.74-118,145,101.69

Finding the Fourth Proportional to 217,258,557.67, 299,822,491.74 and 118,145,101.69

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Solution

The fourth proportional to 217,258,557.67, 299,822,491.74 and 118,145,101.69 is: 163,043,330.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,258,557.67 : 299,822,491.74 = 118,145,101.69 : x
  2. Step 2: Convert to fraction form
    217,258,557.67/299,822,491.74 = 118,145,101.69/x
  3. Step 3: Cross multiply
    217,258,557.67x = 299,822,491.74 × 118,145,101.69
  4. Step 4: Simplify right side
    217,258,557.67x = 35,422,558,775,571,484
  5. Step 5: Solve for x
    x = 35,422,558,775,571,484/217,258,557.67
  6. Step 6: Final answer
    x = 163,043,330.29

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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.