Home / 105,487,623.40-158,231,435.10-71,050,246.60

Finding the Fourth Proportional to 105,487,623.40, 158,231,435.10 and 71,050,246.60

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Solution

The fourth proportional to 105,487,623.40, 158,231,435.10 and 71,050,246.60 is: 106,575,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,487,623.40 : 158,231,435.10 = 71,050,246.60 : x
  2. Step 2: Convert to fraction form
    105,487,623.40/158,231,435.10 = 71,050,246.60/x
  3. Step 3: Cross multiply
    105,487,623.40x = 158,231,435.10 × 71,050,246.60
  4. Step 4: Simplify right side
    105,487,623.40x = 11,242,382,483,726,894
  5. Step 5: Solve for x
    x = 11,242,382,483,726,894/105,487,623.40
  6. Step 6: Final answer
    x = 106,575,369.90

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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.