Home / 43,678,184.80-65,261,416.52-42,150,669.28

Finding the Fourth Proportional to 43,678,184.80, 65,261,416.52 and 42,150,669.28

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Solution

The fourth proportional to 43,678,184.80, 65,261,416.52 and 42,150,669.28 is: 62,979,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,678,184.80 : 65,261,416.52 = 42,150,669.28 : x
  2. Step 2: Convert to fraction form
    43,678,184.80/65,261,416.52 = 42,150,669.28/x
  3. Step 3: Cross multiply
    43,678,184.80x = 65,261,416.52 × 42,150,669.28
  4. Step 4: Simplify right side
    43,678,184.80x = 2,750,812,384,478,848.50
  5. Step 5: Solve for x
    x = 2,750,812,384,478,848.50/43,678,184.80
  6. Step 6: Final answer
    x = 62,979,091.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.