Home / 65,670,495.83-90,620,965.72-37,788,705.86

Finding the Fourth Proportional to 65,670,495.83, 90,620,965.72 and 37,788,705.86

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Solution

The fourth proportional to 65,670,495.83, 90,620,965.72 and 37,788,705.86 is: 52,145,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,670,495.83 : 90,620,965.72 = 37,788,705.86 : x
  2. Step 2: Convert to fraction form
    65,670,495.83/90,620,965.72 = 37,788,705.86/x
  3. Step 3: Cross multiply
    65,670,495.83x = 90,620,965.72 × 37,788,705.86
  4. Step 4: Simplify right side
    65,670,495.83x = 3,424,449,017,794,646.50
  5. Step 5: Solve for x
    x = 3,424,449,017,794,646.50/65,670,495.83
  6. Step 6: Final answer
    x = 52,145,929.07

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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.