Home / 46,649,423.60-70,005,628.20-30,435,880.40

Finding the Fourth Proportional to 46,649,423.60, 70,005,628.20 and 30,435,880.40

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Solution

The fourth proportional to 46,649,423.60, 70,005,628.20 and 30,435,880.40 is: 45,674,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,649,423.60 : 70,005,628.20 = 30,435,880.40 : x
  2. Step 2: Convert to fraction form
    46,649,423.60/70,005,628.20 = 30,435,880.40/x
  3. Step 3: Cross multiply
    46,649,423.60x = 70,005,628.20 × 30,435,880.40
  4. Step 4: Simplify right side
    46,649,423.60x = 2,130,682,927,222,067.25
  5. Step 5: Solve for x
    x = 2,130,682,927,222,067.25/46,649,423.60
  6. Step 6: Final answer
    x = 45,674,367.72

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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.