Home / 57,269,355-85,917,482.42-18,930,867.81

Finding the Fourth Proportional to 57,269,355, 85,917,482.42 and 18,930,867.81

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Solution

The fourth proportional to 57,269,355, 85,917,482.42 and 18,930,867.81 is: 28,400,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,269,355 : 85,917,482.42 = 18,930,867.81 : x
  2. Step 2: Convert to fraction form
    57,269,355/85,917,482.42 = 18,930,867.81/x
  3. Step 3: Cross multiply
    57,269,355x = 85,917,482.42 × 18,930,867.81
  4. Step 4: Simplify right side
    57,269,355x = 1,626,492,502,166,364.50
  5. Step 5: Solve for x
    x = 1,626,492,502,166,364.50/57,269,355
  6. Step 6: Final answer
    x = 28,400,747.70

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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.