Home / 42,444,002.80-63,666,004.20-18,178,800.40

Finding the Fourth Proportional to 42,444,002.80, 63,666,004.20 and 18,178,800.40

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Solution

The fourth proportional to 42,444,002.80, 63,666,004.20 and 18,178,800.40 is: 27,268,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,444,002.80 : 63,666,004.20 = 18,178,800.40 : x
  2. Step 2: Convert to fraction form
    42,444,002.80/63,666,004.20 = 18,178,800.40/x
  3. Step 3: Cross multiply
    42,444,002.80x = 63,666,004.20 × 18,178,800.40
  4. Step 4: Simplify right side
    42,444,002.80x = 1,157,371,582,617,361.75
  5. Step 5: Solve for x
    x = 1,157,371,582,617,361.75/42,444,002.80
  6. Step 6: Final answer
    x = 27,268,200.60

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1.5x scale

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.