Home / 314,332,815.11-433,759,739.86-173,196,137.35

Finding the Fourth Proportional to 314,332,815.11, 433,759,739.86 and 173,196,137.35

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Solution

The fourth proportional to 314,332,815.11, 433,759,739.86 and 173,196,137.35 is: 238,999,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,332,815.11 : 433,759,739.86 = 173,196,137.35 : x
  2. Step 2: Convert to fraction form
    314,332,815.11/433,759,739.86 = 173,196,137.35/x
  3. Step 3: Cross multiply
    314,332,815.11x = 433,759,739.86 × 173,196,137.35
  4. Step 4: Simplify right side
    314,332,815.11x = 75,125,511,482,669,936
  5. Step 5: Solve for x
    x = 75,125,511,482,669,936/314,332,815.11
  6. Step 6: Final answer
    x = 238,999,900.34

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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.