Home / 59,789,720.80-89,684,581.20-45,334,525.60

Finding the Fourth Proportional to 59,789,720.80, 89,684,581.20 and 45,334,525.60

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Solution

The fourth proportional to 59,789,720.80, 89,684,581.20 and 45,334,525.60 is: 68,001,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,789,720.80 : 89,684,581.20 = 45,334,525.60 : x
  2. Step 2: Convert to fraction form
    59,789,720.80/89,684,581.20 = 45,334,525.60/x
  3. Step 3: Cross multiply
    59,789,720.80x = 89,684,581.20 × 45,334,525.60
  4. Step 4: Simplify right side
    59,789,720.80x = 4,065,807,942,336,679
  5. Step 5: Solve for x
    x = 4,065,807,942,336,679/59,789,720.80
  6. Step 6: Final answer
    x = 68,001,788.40

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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.