Home / 72,628,289.19-100,170,339.80-46,525,234.05

Finding the Fourth Proportional to 72,628,289.19, 100,170,339.80 and 46,525,234.05

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Solution

The fourth proportional to 72,628,289.19, 100,170,339.80 and 46,525,234.05 is: 64,168,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,628,289.19 : 100,170,339.80 = 46,525,234.05 : x
  2. Step 2: Convert to fraction form
    72,628,289.19/100,170,339.80 = 46,525,234.05/x
  3. Step 3: Cross multiply
    72,628,289.19x = 100,170,339.80 × 46,525,234.05
  4. Step 4: Simplify right side
    72,628,289.19x = 4,660,448,503,830,404
  5. Step 5: Solve for x
    x = 4,660,448,503,830,404/72,628,289.19
  6. Step 6: Final answer
    x = 64,168,501.78

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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.