Home / 57,069,271.54-85,585,924.23-18,721,849.78

Finding the Fourth Proportional to 57,069,271.54, 85,585,924.23 and 18,721,849.78

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Solution

The fourth proportional to 57,069,271.54, 85,585,924.23 and 18,721,849.78 is: 28,076,875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,069,271.54 : 85,585,924.23 = 18,721,849.78 : x
  2. Step 2: Convert to fraction form
    57,069,271.54/85,585,924.23 = 18,721,849.78/x
  3. Step 3: Cross multiply
    57,069,271.54x = 85,585,924.23 × 18,721,849.78
  4. Step 4: Simplify right side
    57,069,271.54x = 1,602,326,816,716,522.25
  5. Step 5: Solve for x
    x = 1,602,326,816,716,522.25/57,069,271.54
  6. Step 6: Final answer
    x = 28,076,875.23

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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.