Home / 149,643,477.12-206,506,047.83-83,565,136.54

Finding the Fourth Proportional to 149,643,477.12, 206,506,047.83 and 83,565,136.54

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Solution

The fourth proportional to 149,643,477.12, 206,506,047.83 and 83,565,136.54 is: 115,318,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,643,477.12 : 206,506,047.83 = 83,565,136.54 : x
  2. Step 2: Convert to fraction form
    149,643,477.12/206,506,047.83 = 83,565,136.54/x
  3. Step 3: Cross multiply
    149,643,477.12x = 206,506,047.83 × 83,565,136.54
  4. Step 4: Simplify right side
    149,643,477.12x = 17,256,706,082,217,190
  5. Step 5: Solve for x
    x = 17,256,706,082,217,190/149,643,477.12
  6. Step 6: Final answer
    x = 115,318,799.15

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Why These Related Problems?

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