Home / 115,202,830.85-172,804,412.59-47,045,522.60

Finding the Fourth Proportional to 115,202,830.85, 172,804,412.59 and 47,045,522.60

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Solution

The fourth proportional to 115,202,830.85, 172,804,412.59 and 47,045,522.60 is: 70,568,351.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,202,830.85 : 172,804,412.59 = 47,045,522.60 : x
  2. Step 2: Convert to fraction form
    115,202,830.85/172,804,412.59 = 47,045,522.60/x
  3. Step 3: Cross multiply
    115,202,830.85x = 172,804,412.59 × 47,045,522.60
  4. Step 4: Simplify right side
    115,202,830.85x = 8,129,673,898,461,833
  5. Step 5: Solve for x
    x = 8,129,673,898,461,833/115,202,830.85
  6. Step 6: Final answer
    x = 70,568,351.82

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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.