Home / 66,466,202.10-99,689,971.95-21,032,589.30

Finding the Fourth Proportional to 66,466,202.10, 99,689,971.95 and 21,032,589.30

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Solution

The fourth proportional to 66,466,202.10, 99,689,971.95 and 21,032,589.30 is: 31,545,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,466,202.10 : 99,689,971.95 = 21,032,589.30 : x
  2. Step 2: Convert to fraction form
    66,466,202.10/99,689,971.95 = 21,032,589.30/x
  3. Step 3: Cross multiply
    66,466,202.10x = 99,689,971.95 × 21,032,589.30
  4. Step 4: Simplify right side
    66,466,202.10x = 2,096,738,237,352,870.25
  5. Step 5: Solve for x
    x = 2,096,738,237,352,870.25/66,466,202.10
  6. Step 6: Final answer
    x = 31,545,931.18

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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.