Home / 48,515,643.60-72,773,465.40-19,782,400.20

Finding the Fourth Proportional to 48,515,643.60, 72,773,465.40 and 19,782,400.20

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Solution

The fourth proportional to 48,515,643.60, 72,773,465.40 and 19,782,400.20 is: 29,673,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,515,643.60 : 72,773,465.40 = 19,782,400.20 : x
  2. Step 2: Convert to fraction form
    48,515,643.60/72,773,465.40 = 19,782,400.20/x
  3. Step 3: Cross multiply
    48,515,643.60x = 72,773,465.40 × 19,782,400.20
  4. Step 4: Simplify right side
    48,515,643.60x = 1,439,633,816,483,653.25
  5. Step 5: Solve for x
    x = 1,439,633,816,483,653.25/48,515,643.60
  6. Step 6: Final answer
    x = 29,673,600.30

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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.