Home / 69,948,643.60-104,922,965.40-55,335,984.40

Finding the Fourth Proportional to 69,948,643.60, 104,922,965.40 and 55,335,984.40

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Solution

The fourth proportional to 69,948,643.60, 104,922,965.40 and 55,335,984.40 is: 83,003,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,948,643.60 : 104,922,965.40 = 55,335,984.40 : x
  2. Step 2: Convert to fraction form
    69,948,643.60/104,922,965.40 = 55,335,984.40/x
  3. Step 3: Cross multiply
    69,948,643.60x = 104,922,965.40 × 55,335,984.40
  4. Step 4: Simplify right side
    69,948,643.60x = 5,806,015,576,576,140
  5. Step 5: Solve for x
    x = 5,806,015,576,576,140/69,948,643.60
  6. Step 6: Final answer
    x = 83,003,976.60

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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.