Home / 53,413,643.40-80,120,465.10-49,830,462.60

Finding the Fourth Proportional to 53,413,643.40, 80,120,465.10 and 49,830,462.60

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Solution

The fourth proportional to 53,413,643.40, 80,120,465.10 and 49,830,462.60 is: 74,745,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,413,643.40 : 80,120,465.10 = 49,830,462.60 : x
  2. Step 2: Convert to fraction form
    53,413,643.40/80,120,465.10 = 49,830,462.60/x
  3. Step 3: Cross multiply
    53,413,643.40x = 80,120,465.10 × 49,830,462.60
  4. Step 4: Simplify right side
    53,413,643.40x = 3,992,439,839,660,155
  5. Step 5: Solve for x
    x = 3,992,439,839,660,155/53,413,643.40
  6. Step 6: Final answer
    x = 74,745,693.90

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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.