Home / 209,307,495.96-288,844,345.44-116,509,925.88

Finding the Fourth Proportional to 209,307,495.96, 288,844,345.44 and 116,509,925.88

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Solution

The fourth proportional to 209,307,495.96, 288,844,345.44 and 116,509,925.88 is: 160,783,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,307,495.96 : 288,844,345.44 = 116,509,925.88 : x
  2. Step 2: Convert to fraction form
    209,307,495.96/288,844,345.44 = 116,509,925.88/x
  3. Step 3: Cross multiply
    209,307,495.96x = 288,844,345.44 × 116,509,925.88
  4. Step 4: Simplify right side
    209,307,495.96x = 33,653,233,278,071,516
  5. Step 5: Solve for x
    x = 33,653,233,278,071,516/209,307,495.96
  6. Step 6: Final answer
    x = 160,783,698.28

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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.