Home / 49,205,643.60-73,808,465.40-45,622,462.80

Finding the Fourth Proportional to 49,205,643.60, 73,808,465.40 and 45,622,462.80

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Solution

The fourth proportional to 49,205,643.60, 73,808,465.40 and 45,622,462.80 is: 68,433,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,205,643.60 : 73,808,465.40 = 45,622,462.80 : x
  2. Step 2: Convert to fraction form
    49,205,643.60/73,808,465.40 = 45,622,462.80/x
  3. Step 3: Cross multiply
    49,205,643.60x = 73,808,465.40 × 45,622,462.80
  4. Step 4: Simplify right side
    49,205,643.60x = 3,367,323,967,036,587
  5. Step 5: Solve for x
    x = 3,367,323,967,036,587/49,205,643.60
  6. Step 6: Final answer
    x = 68,433,694.20

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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.