Home / 208,077,163.20-287,146,460.61-124,445,280.89

Finding the Fourth Proportional to 208,077,163.20, 287,146,460.61 and 124,445,280.89

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Solution

The fourth proportional to 208,077,163.20, 287,146,460.61 and 124,445,280.89 is: 171,734,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,077,163.20 : 287,146,460.61 = 124,445,280.89 : x
  2. Step 2: Convert to fraction form
    208,077,163.20/287,146,460.61 = 124,445,280.89/x
  3. Step 3: Cross multiply
    208,077,163.20x = 287,146,460.61 × 124,445,280.89
  4. Step 4: Simplify right side
    208,077,163.20x = 35,734,021,947,898,640
  5. Step 5: Solve for x
    x = 35,734,021,947,898,640/208,077,163.20
  6. Step 6: Final answer
    x = 171,734,472.92

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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.