Home / 208,159,918.45-287,261,024.60-114,059,113.74

Finding the Fourth Proportional to 208,159,918.45, 287,261,024.60 and 114,059,113.74

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Solution

The fourth proportional to 208,159,918.45, 287,261,024.60 and 114,059,113.74 is: 157,401,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,159,918.45 : 287,261,024.60 = 114,059,113.74 : x
  2. Step 2: Convert to fraction form
    208,159,918.45/287,261,024.60 = 114,059,113.74/x
  3. Step 3: Cross multiply
    208,159,918.45x = 287,261,024.60 × 114,059,113.74
  4. Step 4: Simplify right side
    208,159,918.45x = 32,764,737,877,920,340
  5. Step 5: Solve for x
    x = 32,764,737,877,920,340/208,159,918.45
  6. Step 6: Final answer
    x = 157,401,761.69

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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.