Home / 80,457,435.70-120,686,153.55-26,604,747.70

Finding the Fourth Proportional to 80,457,435.70, 120,686,153.55 and 26,604,747.70

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Solution

The fourth proportional to 80,457,435.70, 120,686,153.55 and 26,604,747.70 is: 39,907,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,457,435.70 : 120,686,153.55 = 26,604,747.70 : x
  2. Step 2: Convert to fraction form
    80,457,435.70/120,686,153.55 = 26,604,747.70/x
  3. Step 3: Cross multiply
    80,457,435.70x = 120,686,153.55 × 26,604,747.70
  4. Step 4: Simplify right side
    80,457,435.70x = 3,210,824,666,081,209
  5. Step 5: Solve for x
    x = 3,210,824,666,081,209/80,457,435.70
  6. Step 6: Final answer
    x = 39,907,121.55

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1.5x scale

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.