Home / 290,459,940.30-435,775,391.72-93,719,662.75

Finding the Fourth Proportional to 290,459,940.30, 435,775,391.72 and 93,719,662.75

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Solution

The fourth proportional to 290,459,940.30, 435,775,391.72 and 93,719,662.75 is: 140,607,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,459,940.30 : 435,775,391.72 = 93,719,662.75 : x
  2. Step 2: Convert to fraction form
    290,459,940.30/435,775,391.72 = 93,719,662.75/x
  3. Step 3: Cross multiply
    290,459,940.30x = 435,775,391.72 × 93,719,662.75
  4. Step 4: Simplify right side
    290,459,940.30x = 40,840,722,746,747,544
  5. Step 5: Solve for x
    x = 40,840,722,746,747,544/290,459,940.30
  6. Step 6: Final answer
    x = 140,607,075.47

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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.