Home / 402,268,133.95-603,402,200.93-143,775,231.55

Finding the Fourth Proportional to 402,268,133.95, 603,402,200.93 and 143,775,231.55

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Solution

The fourth proportional to 402,268,133.95, 603,402,200.93 and 143,775,231.55 is: 215,662,847.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,268,133.95 : 603,402,200.93 = 143,775,231.55 : x
  2. Step 2: Convert to fraction form
    402,268,133.95/603,402,200.93 = 143,775,231.55/x
  3. Step 3: Cross multiply
    402,268,133.95x = 603,402,200.93 × 143,775,231.55
  4. Step 4: Simplify right side
    402,268,133.95x = 86,754,291,155,771,504
  5. Step 5: Solve for x
    x = 86,754,291,155,771,504/402,268,133.95
  6. Step 6: Final answer
    x = 215,662,847.33

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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.