Home / 145,216,179.10-200,398,368.90-79,136,695.54

Finding the Fourth Proportional to 145,216,179.10, 200,398,368.90 and 79,136,695.54

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Solution

The fourth proportional to 145,216,179.10, 200,398,368.90 and 79,136,695.54 is: 109,208,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,216,179.10 : 200,398,368.90 = 79,136,695.54 : x
  2. Step 2: Convert to fraction form
    145,216,179.10/200,398,368.90 = 79,136,695.54/x
  3. Step 3: Cross multiply
    145,216,179.10x = 200,398,368.90 × 79,136,695.54
  4. Step 4: Simplify right side
    145,216,179.10x = 15,858,864,706,351,906
  5. Step 5: Solve for x
    x = 15,858,864,706,351,906/145,216,179.10
  6. Step 6: Final answer
    x = 109,208,662.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.