Home / 66,493,600,690.10-99,899,519,250.38-42,636,846,156.45

Finding the Fourth Proportional to 66,493,600,690.10, 99,899,519,250.38 and 42,636,846,156.45

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Solution

The fourth proportional to 66,493,600,690.10, 99,899,519,250.38 and 42,636,846,156.45 is: 64,057,298,584.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,493,600,690.10 : 99,899,519,250.38 = 42,636,846,156.45 : x
  2. Step 2: Convert to fraction form
    66,493,600,690.10/99,899,519,250.38 = 42,636,846,156.45/x
  3. Step 3: Cross multiply
    66,493,600,690.10x = 99,899,519,250.38 × 42,636,846,156.45
  4. Step 4: Simplify right side
    66,493,600,690.10x = 4,259,400,433,381,538,267,136
  5. Step 5: Solve for x
    x = 4,259,400,433,381,538,267,136/66,493,600,690.10
  6. Step 6: Final answer
    x = 64,057,298,584.76

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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.