Home / 80,457,436.70-120,686,155.05-26,604,748.70

Finding the Fourth Proportional to 80,457,436.70, 120,686,155.05 and 26,604,748.70

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Solution

The fourth proportional to 80,457,436.70, 120,686,155.05 and 26,604,748.70 is: 39,907,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,457,436.70 : 120,686,155.05 = 26,604,748.70 : x
  2. Step 2: Convert to fraction form
    80,457,436.70/120,686,155.05 = 26,604,748.70/x
  3. Step 3: Cross multiply
    80,457,436.70x = 120,686,155.05 × 26,604,748.70
  4. Step 4: Simplify right side
    80,457,436.70x = 3,210,824,826,674,486
  5. Step 5: Solve for x
    x = 3,210,824,826,674,486/80,457,436.70
  6. Step 6: Final answer
    x = 39,907,123.05

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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.