Home / 65,373,577.29-90,221,908.95-48,824,971.65

Finding the Fourth Proportional to 65,373,577.29, 90,221,908.95 and 48,824,971.65

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Solution

The fourth proportional to 65,373,577.29, 90,221,908.95 and 48,824,971.65 is: 67,383,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,373,577.29 : 90,221,908.95 = 48,824,971.65 : x
  2. Step 2: Convert to fraction form
    65,373,577.29/90,221,908.95 = 48,824,971.65/x
  3. Step 3: Cross multiply
    65,373,577.29x = 90,221,908.95 × 48,824,971.65
  4. Step 4: Simplify right side
    65,373,577.29x = 4,405,082,146,692,631.50
  5. Step 5: Solve for x
    x = 4,405,082,146,692,631.50/65,373,577.29
  6. Step 6: Final answer
    x = 67,383,220.09

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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.