Home / 147,935,999.10-221,903,998.65-67,156,967.10

Finding the Fourth Proportional to 147,935,999.10, 221,903,998.65 and 67,156,967.10

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Solution

The fourth proportional to 147,935,999.10, 221,903,998.65 and 67,156,967.10 is: 100,735,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,935,999.10 : 221,903,998.65 = 67,156,967.10 : x
  2. Step 2: Convert to fraction form
    147,935,999.10/221,903,998.65 = 67,156,967.10/x
  3. Step 3: Cross multiply
    147,935,999.10x = 221,903,998.65 × 67,156,967.10
  4. Step 4: Simplify right side
    147,935,999.10x = 14,902,399,536,696,494
  5. Step 5: Solve for x
    x = 14,902,399,536,696,494/147,935,999.10
  6. Step 6: Final answer
    x = 100,735,450.65

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1.5x scale

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.