Home / 147,903,999.30-221,855,998.95-71,208,533.70

Finding the Fourth Proportional to 147,903,999.30, 221,855,998.95 and 71,208,533.70

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Solution

The fourth proportional to 147,903,999.30, 221,855,998.95 and 71,208,533.70 is: 106,812,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,903,999.30 : 221,855,998.95 = 71,208,533.70 : x
  2. Step 2: Convert to fraction form
    147,903,999.30/221,855,998.95 = 71,208,533.70/x
  3. Step 3: Cross multiply
    147,903,999.30x = 221,855,998.95 × 71,208,533.70
  4. Step 4: Simplify right side
    147,903,999.30x = 15,798,040,377,778,240
  5. Step 5: Solve for x
    x = 15,798,040,377,778,240/147,903,999.30
  6. Step 6: Final answer
    x = 106,812,800.55

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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.