Home / 72,500,379.35-100,050,939.59-39,460,549.68

Finding the Fourth Proportional to 72,500,379.35, 100,050,939.59 and 39,460,549.68

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Solution

The fourth proportional to 72,500,379.35, 100,050,939.59 and 39,460,549.68 is: 54,455,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,500,379.35 : 100,050,939.59 = 39,460,549.68 : x
  2. Step 2: Convert to fraction form
    72,500,379.35/100,050,939.59 = 39,460,549.68/x
  3. Step 3: Cross multiply
    72,500,379.35x = 100,050,939.59 × 39,460,549.68
  4. Step 4: Simplify right side
    72,500,379.35x = 3,948,065,072,024,571
  5. Step 5: Solve for x
    x = 3,948,065,072,024,571/72,500,379.35
  6. Step 6: Final answer
    x = 54,455,785.03

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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.