Home / 51,351,719.60-70,872,639.72-31,778,911.64

Finding the Fourth Proportional to 51,351,719.60, 70,872,639.72 and 31,778,911.64

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Solution

The fourth proportional to 51,351,719.60, 70,872,639.72 and 31,778,911.64 is: 43,859,395.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,351,719.60 : 70,872,639.72 = 31,778,911.64 : x
  2. Step 2: Convert to fraction form
    51,351,719.60/70,872,639.72 = 31,778,911.64/x
  3. Step 3: Cross multiply
    51,351,719.60x = 70,872,639.72 × 31,778,911.64
  4. Step 4: Simplify right side
    51,351,719.60x = 2,252,255,355,355,434.50
  5. Step 5: Solve for x
    x = 2,252,255,355,355,434.50/51,351,719.60
  6. Step 6: Final answer
    x = 43,859,395.03

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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.