Home / 290,468,139.20-435,702,208.80-106,235,259.20

Finding the Fourth Proportional to 290,468,139.20, 435,702,208.80 and 106,235,259.20

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Solution

The fourth proportional to 290,468,139.20, 435,702,208.80 and 106,235,259.20 is: 159,352,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,468,139.20 : 435,702,208.80 = 106,235,259.20 : x
  2. Step 2: Convert to fraction form
    290,468,139.20/435,702,208.80 = 106,235,259.20/x
  3. Step 3: Cross multiply
    290,468,139.20x = 435,702,208.80 × 106,235,259.20
  4. Step 4: Simplify right side
    290,468,139.20x = 46,286,937,085,880,520
  5. Step 5: Solve for x
    x = 46,286,937,085,880,520/290,468,139.20
  6. Step 6: Final answer
    x = 159,352,888.80

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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.