Home / 53,990,931.20-80,986,396.80-49,833,881.60

Finding the Fourth Proportional to 53,990,931.20, 80,986,396.80 and 49,833,881.60

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Solution

The fourth proportional to 53,990,931.20, 80,986,396.80 and 49,833,881.60 is: 74,750,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,990,931.20 : 80,986,396.80 = 49,833,881.60 : x
  2. Step 2: Convert to fraction form
    53,990,931.20/80,986,396.80 = 49,833,881.60/x
  3. Step 3: Cross multiply
    53,990,931.20x = 80,986,396.80 × 49,833,881.60
  4. Step 4: Simplify right side
    53,990,931.20x = 4,035,866,509,341,819
  5. Step 5: Solve for x
    x = 4,035,866,509,341,819/53,990,931.20
  6. Step 6: Final answer
    x = 74,750,822.40

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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.