Home / 243,232,212.56-365,430,369.98-155,964,706.34

Finding the Fourth Proportional to 243,232,212.56, 365,430,369.98 and 155,964,706.34

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Solution

The fourth proportional to 243,232,212.56, 365,430,369.98 and 155,964,706.34 is: 234,320,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,232,212.56 : 365,430,369.98 = 155,964,706.34 : x
  2. Step 2: Convert to fraction form
    243,232,212.56/365,430,369.98 = 155,964,706.34/x
  3. Step 3: Cross multiply
    243,232,212.56x = 365,430,369.98 × 155,964,706.34
  4. Step 4: Simplify right side
    243,232,212.56x = 56,994,240,339,041,280
  5. Step 5: Solve for x
    x = 56,994,240,339,041,280/243,232,212.56
  6. Step 6: Final answer
    x = 234,320,280.77

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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.