Home / 80,457,428.70-120,686,143.05-26,604,740.70

Finding the Fourth Proportional to 80,457,428.70, 120,686,143.05 and 26,604,740.70

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Solution

The fourth proportional to 80,457,428.70, 120,686,143.05 and 26,604,740.70 is: 39,907,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,457,428.70 : 120,686,143.05 = 26,604,740.70 : x
  2. Step 2: Convert to fraction form
    80,457,428.70/120,686,143.05 = 26,604,740.70/x
  3. Step 3: Cross multiply
    80,457,428.70x = 120,686,143.05 × 26,604,740.70
  4. Step 4: Simplify right side
    80,457,428.70x = 3,210,823,541,928,357
  5. Step 5: Solve for x
    x = 3,210,823,541,928,357/80,457,428.70
  6. Step 6: Final answer
    x = 39,907,111.05

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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.