Home / 129,056,086.08-178,097,424.42-70,318,751.20

Finding the Fourth Proportional to 129,056,086.08, 178,097,424.42 and 70,318,751.20

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Solution

The fourth proportional to 129,056,086.08, 178,097,424.42 and 70,318,751.20 is: 97,039,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,056,086.08 : 178,097,424.42 = 70,318,751.20 : x
  2. Step 2: Convert to fraction form
    129,056,086.08/178,097,424.42 = 70,318,751.20/x
  3. Step 3: Cross multiply
    129,056,086.08x = 178,097,424.42 × 70,318,751.20
  4. Step 4: Simplify right side
    129,056,086.08x = 12,523,588,477,150,784
  5. Step 5: Solve for x
    x = 12,523,588,477,150,784/129,056,086.08
  6. Step 6: Final answer
    x = 97,039,890.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.