Home / 129,060,269.96-178,101,057.78-70,323,631.88

Finding the Fourth Proportional to 129,060,269.96, 178,101,057.78 and 70,323,631.88

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Solution

The fourth proportional to 129,060,269.96, 178,101,057.78 and 70,323,631.88 is: 97,045,459.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,060,269.96 : 178,101,057.78 = 70,323,631.88 : x
  2. Step 2: Convert to fraction form
    129,060,269.96/178,101,057.78 = 70,323,631.88/x
  3. Step 3: Cross multiply
    129,060,269.96x = 178,101,057.78 × 70,323,631.88
  4. Step 4: Simplify right side
    129,060,269.96x = 12,524,713,224,759,330
  5. Step 5: Solve for x
    x = 12,524,713,224,759,330/129,060,269.96
  6. Step 6: Final answer
    x = 97,045,459.68

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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.