Home / 43,181,840.40-64,763,429.40-18,920,720.40

Finding the Fourth Proportional to 43,181,840.40, 64,763,429.40 and 18,920,720.40

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Solution

The fourth proportional to 43,181,840.40, 64,763,429.40 and 18,920,720.40 is: 28,376,992.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,181,840.40 : 64,763,429.40 = 18,920,720.40 : x
  2. Step 2: Convert to fraction form
    43,181,840.40/64,763,429.40 = 18,920,720.40/x
  3. Step 3: Cross multiply
    43,181,840.40x = 64,763,429.40 × 18,920,720.40
  4. Step 4: Simplify right side
    43,181,840.40x = 1,225,370,739,822,539.75
  5. Step 5: Solve for x
    x = 1,225,370,739,822,539.75/43,181,840.40
  6. Step 6: Final answer
    x = 28,376,992.01

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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.