Home / 66,173,662.10-99,263,603.55-20,736,938.90

Finding the Fourth Proportional to 66,173,662.10, 99,263,603.55 and 20,736,938.90

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Solution

The fourth proportional to 66,173,662.10, 99,263,603.55 and 20,736,938.90 is: 31,106,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,173,662.10 : 99,263,603.55 = 20,736,938.90 : x
  2. Step 2: Convert to fraction form
    66,173,662.10/99,263,603.55 = 20,736,938.90/x
  3. Step 3: Cross multiply
    66,173,662.10x = 99,263,603.55 × 20,736,938.90
  4. Step 4: Simplify right side
    66,173,662.10x = 2,058,423,281,810,173
  5. Step 5: Solve for x
    x = 2,058,423,281,810,173/66,173,662.10
  6. Step 6: Final answer
    x = 31,106,383.06

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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.