Home / 53,259,089.40-79,888,634.10-19,176,006.60

Finding the Fourth Proportional to 53,259,089.40, 79,888,634.10 and 19,176,006.60

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Solution

The fourth proportional to 53,259,089.40, 79,888,634.10 and 19,176,006.60 is: 28,764,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,259,089.40 : 79,888,634.10 = 19,176,006.60 : x
  2. Step 2: Convert to fraction form
    53,259,089.40/79,888,634.10 = 19,176,006.60/x
  3. Step 3: Cross multiply
    53,259,089.40x = 79,888,634.10 × 19,176,006.60
  4. Step 4: Simplify right side
    53,259,089.40x = 1,531,944,974,766,585
  5. Step 5: Solve for x
    x = 1,531,944,974,766,585/53,259,089.40
  6. Step 6: Final answer
    x = 28,764,009.90

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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.