Home / 208,077,166.45-287,146,465.09-124,445,284.14

Finding the Fourth Proportional to 208,077,166.45, 287,146,465.09 and 124,445,284.14

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Solution

The fourth proportional to 208,077,166.45, 287,146,465.09 and 124,445,284.14 is: 171,734,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,077,166.45 : 287,146,465.09 = 124,445,284.14 : x
  2. Step 2: Convert to fraction form
    208,077,166.45/287,146,465.09 = 124,445,284.14/x
  3. Step 3: Cross multiply
    208,077,166.45x = 287,146,465.09 × 124,445,284.14
  4. Step 4: Simplify right side
    208,077,166.45x = 35,734,023,437,921,636
  5. Step 5: Solve for x
    x = 35,734,023,437,921,636/208,077,166.45
  6. Step 6: Final answer
    x = 171,734,477.39

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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.