Home / 65,271,869.51-90,204,364.51-53,492,562.77

Finding the Fourth Proportional to 65,271,869.51, 90,204,364.51 and 53,492,562.77

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Solution

The fourth proportional to 65,271,869.51, 90,204,364.51 and 53,492,562.77 is: 73,925,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,271,869.51 : 90,204,364.51 = 53,492,562.77 : x
  2. Step 2: Convert to fraction form
    65,271,869.51/90,204,364.51 = 53,492,562.77/x
  3. Step 3: Cross multiply
    65,271,869.51x = 90,204,364.51 × 53,492,562.77
  4. Step 4: Simplify right side
    65,271,869.51x = 4,825,262,630,770,914
  5. Step 5: Solve for x
    x = 4,825,262,630,770,914/65,271,869.51
  6. Step 6: Final answer
    x = 73,925,607.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.