Home / 217,258,543.17-299,822,471.73-118,145,087.19

Finding the Fourth Proportional to 217,258,543.17, 299,822,471.73 and 118,145,087.19

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Solution

The fourth proportional to 217,258,543.17, 299,822,471.73 and 118,145,087.19 is: 163,043,310.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,258,543.17 : 299,822,471.73 = 118,145,087.19 : x
  2. Step 2: Convert to fraction form
    217,258,543.17/299,822,471.73 = 118,145,087.19/x
  3. Step 3: Cross multiply
    217,258,543.17x = 299,822,471.73 × 118,145,087.19
  4. Step 4: Simplify right side
    217,258,543.17x = 35,422,552,064,062,160
  5. Step 5: Solve for x
    x = 35,422,552,064,062,160/217,258,543.17
  6. Step 6: Final answer
    x = 163,043,310.28

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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.