Home / 64,485,809.85-88,994,157.87-48,562,386.78

Finding the Fourth Proportional to 64,485,809.85, 88,994,157.87 and 48,562,386.78

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Solution

The fourth proportional to 64,485,809.85, 88,994,157.87 and 48,562,386.78 is: 67,018,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,485,809.85 : 88,994,157.87 = 48,562,386.78 : x
  2. Step 2: Convert to fraction form
    64,485,809.85/88,994,157.87 = 48,562,386.78/x
  3. Step 3: Cross multiply
    64,485,809.85x = 88,994,157.87 × 48,562,386.78
  4. Step 4: Simplify right side
    64,485,809.85x = 4,321,768,715,643,321.50
  5. Step 5: Solve for x
    x = 4,321,768,715,643,321.50/64,485,809.85
  6. Step 6: Final answer
    x = 67,018,910.45

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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.