Home / 57,069,039.50-85,585,577.25-18,721,617.74

Finding the Fourth Proportional to 57,069,039.50, 85,585,577.25 and 18,721,617.74

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Solution

The fourth proportional to 57,069,039.50, 85,585,577.25 and 18,721,617.74 is: 28,076,527.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,069,039.50 : 85,585,577.25 = 18,721,617.74 : x
  2. Step 2: Convert to fraction form
    57,069,039.50/85,585,577.25 = 18,721,617.74/x
  3. Step 3: Cross multiply
    57,069,039.50x = 85,585,577.25 × 18,721,617.74
  4. Step 4: Simplify right side
    57,069,039.50x = 1,602,300,461,331,740.25
  5. Step 5: Solve for x
    x = 1,602,300,461,331,740.25/57,069,039.50
  6. Step 6: Final answer
    x = 28,076,527.58

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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.