Home / 209,307,483.48-288,844,327.96-116,509,913.32

Finding the Fourth Proportional to 209,307,483.48, 288,844,327.96 and 116,509,913.32

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Solution

The fourth proportional to 209,307,483.48, 288,844,327.96 and 116,509,913.32 is: 160,783,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,307,483.48 : 288,844,327.96 = 116,509,913.32 : x
  2. Step 2: Convert to fraction form
    209,307,483.48/288,844,327.96 = 116,509,913.32/x
  3. Step 3: Cross multiply
    209,307,483.48x = 288,844,327.96 × 116,509,913.32
  4. Step 4: Simplify right side
    209,307,483.48x = 33,653,227,613,593,248
  5. Step 5: Solve for x
    x = 33,653,227,613,593,248/209,307,483.48
  6. Step 6: Final answer
    x = 160,783,680.80

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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.