Home / 76,934,202.98-106,170,374.77-42,130,131.89

Finding the Fourth Proportional to 76,934,202.98, 106,170,374.77 and 42,130,131.89

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Solution

The fourth proportional to 76,934,202.98, 106,170,374.77 and 42,130,131.89 is: 58,140,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,934,202.98 : 106,170,374.77 = 42,130,131.89 : x
  2. Step 2: Convert to fraction form
    76,934,202.98/106,170,374.77 = 42,130,131.89/x
  3. Step 3: Cross multiply
    76,934,202.98x = 106,170,374.77 × 42,130,131.89
  4. Step 4: Simplify right side
    76,934,202.98x = 4,472,971,891,234,651
  5. Step 5: Solve for x
    x = 4,472,971,891,234,651/76,934,202.98
  6. Step 6: Final answer
    x = 58,140,225.26

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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.