Home / 209,307,501.96-288,844,353.72-116,509,931.88

Finding the Fourth Proportional to 209,307,501.96, 288,844,353.72 and 116,509,931.88

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Solution

The fourth proportional to 209,307,501.96, 288,844,353.72 and 116,509,931.88 is: 160,783,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,307,501.96 : 288,844,353.72 = 116,509,931.88 : x
  2. Step 2: Convert to fraction form
    209,307,501.96/288,844,353.72 = 116,509,931.88/x
  3. Step 3: Cross multiply
    209,307,501.96x = 288,844,353.72 × 116,509,931.88
  4. Step 4: Simplify right side
    209,307,501.96x = 33,653,235,975,839,828
  5. Step 5: Solve for x
    x = 33,653,235,975,839,828/209,307,501.96
  6. Step 6: Final answer
    x = 160,783,706.56

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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.