Home / 63,670,069.85-87,802,276.73-40,424,840.51

Finding the Fourth Proportional to 63,670,069.85, 87,802,276.73 and 40,424,840.51

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Solution

The fourth proportional to 63,670,069.85, 87,802,276.73 and 40,424,840.51 is: 55,746,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,670,069.85 : 87,802,276.73 = 40,424,840.51 : x
  2. Step 2: Convert to fraction form
    63,670,069.85/87,802,276.73 = 40,424,840.51/x
  3. Step 3: Cross multiply
    63,670,069.85x = 87,802,276.73 × 40,424,840.51
  4. Step 4: Simplify right side
    63,670,069.85x = 3,549,393,032,583,998.50
  5. Step 5: Solve for x
    x = 3,549,393,032,583,998.50/63,670,069.85
  6. Step 6: Final answer
    x = 55,746,648.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.