Home / 66,433,718.70-99,650,578.05-57,186,645.30

Finding the Fourth Proportional to 66,433,718.70, 99,650,578.05 and 57,186,645.30

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Solution

The fourth proportional to 66,433,718.70, 99,650,578.05 and 57,186,645.30 is: 85,779,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,718.70 : 99,650,578.05 = 57,186,645.30 : x
  2. Step 2: Convert to fraction form
    66,433,718.70/99,650,578.05 = 57,186,645.30/x
  3. Step 3: Cross multiply
    66,433,718.70x = 99,650,578.05 × 57,186,645.30
  4. Step 4: Simplify right side
    66,433,718.70x = 5,698,682,260,885,315
  5. Step 5: Solve for x
    x = 5,698,682,260,885,315/66,433,718.70
  6. Step 6: Final answer
    x = 85,779,967.95

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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.