Home / 171,607,391.80-257,066,438.70-79,361,831.32

Finding the Fourth Proportional to 171,607,391.80, 257,066,438.70 and 79,361,831.32

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Solution

The fourth proportional to 171,607,391.80, 257,066,438.70 and 79,361,831.32 is: 118,883,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,607,391.80 : 257,066,438.70 = 79,361,831.32 : x
  2. Step 2: Convert to fraction form
    171,607,391.80/257,066,438.70 = 79,361,831.32/x
  3. Step 3: Cross multiply
    171,607,391.80x = 257,066,438.70 × 79,361,831.32
  4. Step 4: Simplify right side
    171,607,391.80x = 20,401,263,346,142,516
  5. Step 5: Solve for x
    x = 20,401,263,346,142,516/171,607,391.80
  6. Step 6: Final answer
    x = 118,883,360.05

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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.