Home / 53,892,021.60-80,838,032.40-19,808,938.80

Finding the Fourth Proportional to 53,892,021.60, 80,838,032.40 and 19,808,938.80

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Solution

The fourth proportional to 53,892,021.60, 80,838,032.40 and 19,808,938.80 is: 29,713,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,892,021.60 : 80,838,032.40 = 19,808,938.80 : x
  2. Step 2: Convert to fraction form
    53,892,021.60/80,838,032.40 = 19,808,938.80/x
  3. Step 3: Cross multiply
    53,892,021.60x = 80,838,032.40 × 19,808,938.80
  4. Step 4: Simplify right side
    53,892,021.60x = 1,601,315,636,524,017.25
  5. Step 5: Solve for x
    x = 1,601,315,636,524,017.25/53,892,021.60
  6. Step 6: Final answer
    x = 29,713,408.20

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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.