Home / 201,208,838.10-301,813,257.15-123,724,740.30

Finding the Fourth Proportional to 201,208,838.10, 301,813,257.15 and 123,724,740.30

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Solution

The fourth proportional to 201,208,838.10, 301,813,257.15 and 123,724,740.30 is: 185,587,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,208,838.10 : 301,813,257.15 = 123,724,740.30 : x
  2. Step 2: Convert to fraction form
    201,208,838.10/301,813,257.15 = 123,724,740.30/x
  3. Step 3: Cross multiply
    201,208,838.10x = 301,813,257.15 × 123,724,740.30
  4. Step 4: Simplify right side
    201,208,838.10x = 37,341,766,859,980,864
  5. Step 5: Solve for x
    x = 37,341,766,859,980,864/201,208,838.10
  6. Step 6: Final answer
    x = 185,587,110.45

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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.