Home / 146,999,939.64-220,533,128.72-48,631,415.55

Finding the Fourth Proportional to 146,999,939.64, 220,533,128.72 and 48,631,415.55

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Solution

The fourth proportional to 146,999,939.64, 220,533,128.72 and 48,631,415.55 is: 72,958,113.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,999,939.64 : 220,533,128.72 = 48,631,415.55 : x
  2. Step 2: Convert to fraction form
    146,999,939.64/220,533,128.72 = 48,631,415.55/x
  3. Step 3: Cross multiply
    146,999,939.64x = 220,533,128.72 × 48,631,415.55
  4. Step 4: Simplify right side
    146,999,939.64x = 10,724,838,225,323,958
  5. Step 5: Solve for x
    x = 10,724,838,225,323,958/146,999,939.64
  6. Step 6: Final answer
    x = 72,958,113.12

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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.