Home / 213,734,080.40-320,808,437.14-103,147,574.75

Finding the Fourth Proportional to 213,734,080.40, 320,808,437.14 and 103,147,574.75

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Solution

The fourth proportional to 213,734,080.40, 320,808,437.14 and 103,147,574.75 is: 154,821,412.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,734,080.40 : 320,808,437.14 = 103,147,574.75 : x
  2. Step 2: Convert to fraction form
    213,734,080.40/320,808,437.14 = 103,147,574.75/x
  3. Step 3: Cross multiply
    213,734,080.40x = 320,808,437.14 × 103,147,574.75
  4. Step 4: Simplify right side
    213,734,080.40x = 33,090,612,249,862,836
  5. Step 5: Solve for x
    x = 33,090,612,249,862,836/213,734,080.40
  6. Step 6: Final answer
    x = 154,821,412.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.