Home / 122,164,172-168,590,046.60-74,482,178.24

Finding the Fourth Proportional to 122,164,172, 168,590,046.60 and 74,482,178.24

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Solution

The fourth proportional to 122,164,172, 168,590,046.60 and 74,482,178.24 is: 102,787,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,164,172 : 168,590,046.60 = 74,482,178.24 : x
  2. Step 2: Convert to fraction form
    122,164,172/168,590,046.60 = 74,482,178.24/x
  3. Step 3: Cross multiply
    122,164,172x = 168,590,046.60 × 74,482,178.24
  4. Step 4: Simplify right side
    122,164,172x = 12,556,953,900,351,104
  5. Step 5: Solve for x
    x = 12,556,953,900,351,104/122,164,172
  6. Step 6: Final answer
    x = 102,787,533.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.