Home / 295,021,804.80-407,119,419.12-162,859,964.40

Finding the Fourth Proportional to 295,021,804.80, 407,119,419.12 and 162,859,964.40

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Solution

The fourth proportional to 295,021,804.80, 407,119,419.12 and 162,859,964.40 is: 224,740,859.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,021,804.80 : 407,119,419.12 = 162,859,964.40 : x
  2. Step 2: Convert to fraction form
    295,021,804.80/407,119,419.12 = 162,859,964.40/x
  3. Step 3: Cross multiply
    295,021,804.80x = 407,119,419.12 × 162,859,964.40
  4. Step 4: Simplify right side
    295,021,804.80x = 66,303,454,104,431,880
  5. Step 5: Solve for x
    x = 66,303,454,104,431,880/295,021,804.80
  6. Step 6: Final answer
    x = 224,740,859.92

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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.