Home / 209,953,927.36-289,736,600.16-117,134,449.48

Finding the Fourth Proportional to 209,953,927.36, 289,736,600.16 and 117,134,449.48

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Solution

The fourth proportional to 209,953,927.36, 289,736,600.16 and 117,134,449.48 is: 161,645,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,927.36 : 289,736,600.16 = 117,134,449.48 : x
  2. Step 2: Convert to fraction form
    209,953,927.36/289,736,600.16 = 117,134,449.48/x
  3. Step 3: Cross multiply
    209,953,927.36x = 289,736,600.16 × 117,134,449.48
  4. Step 4: Simplify right side
    209,953,927.36x = 33,938,137,153,948,484
  5. Step 5: Solve for x
    x = 33,938,137,153,948,484/209,953,927.36
  6. Step 6: Final answer
    x = 161,645,640.93

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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.