Home / 43,315,345.20-64,973,017.80-38,444,458.80

Finding the Fourth Proportional to 43,315,345.20, 64,973,017.80 and 38,444,458.80

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Solution

The fourth proportional to 43,315,345.20, 64,973,017.80 and 38,444,458.80 is: 57,666,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,315,345.20 : 64,973,017.80 = 38,444,458.80 : x
  2. Step 2: Convert to fraction form
    43,315,345.20/64,973,017.80 = 38,444,458.80/x
  3. Step 3: Cross multiply
    43,315,345.20x = 64,973,017.80 × 38,444,458.80
  4. Step 4: Simplify right side
    43,315,345.20x = 2,497,852,505,923,766.50
  5. Step 5: Solve for x
    x = 2,497,852,505,923,766.50/43,315,345.20
  6. Step 6: Final answer
    x = 57,666,688.20

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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.