Home / 208,159,915.95-287,261,021.14-114,059,111.24

Finding the Fourth Proportional to 208,159,915.95, 287,261,021.14 and 114,059,111.24

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Solution

The fourth proportional to 208,159,915.95, 287,261,021.14 and 114,059,111.24 is: 157,401,758.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,159,915.95 : 287,261,021.14 = 114,059,111.24 : x
  2. Step 2: Convert to fraction form
    208,159,915.95/287,261,021.14 = 114,059,111.24/x
  3. Step 3: Cross multiply
    208,159,915.95x = 287,261,021.14 × 114,059,111.24
  4. Step 4: Simplify right side
    208,159,915.95x = 32,764,736,763,401,796
  5. Step 5: Solve for x
    x = 32,764,736,763,401,796/208,159,915.95
  6. Step 6: Final answer
    x = 157,401,758.23

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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.