Home / 171,607,390.80-257,066,437.20-79,361,830.32

Finding the Fourth Proportional to 171,607,390.80, 257,066,437.20 and 79,361,830.32

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Solution

The fourth proportional to 171,607,390.80, 257,066,437.20 and 79,361,830.32 is: 118,883,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,607,390.80 : 257,066,437.20 = 79,361,830.32 : x
  2. Step 2: Convert to fraction form
    171,607,390.80/257,066,437.20 = 79,361,830.32/x
  3. Step 3: Cross multiply
    171,607,390.80x = 257,066,437.20 × 79,361,830.32
  4. Step 4: Simplify right side
    171,607,390.80x = 20,401,262,970,033,332
  5. Step 5: Solve for x
    x = 20,401,262,970,033,332/171,607,390.80
  6. Step 6: Final answer
    x = 118,883,358.55

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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.