Home / 103,435,907.80-155,153,861.70-94,701,904.60

Finding the Fourth Proportional to 103,435,907.80, 155,153,861.70 and 94,701,904.60

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Solution

The fourth proportional to 103,435,907.80, 155,153,861.70 and 94,701,904.60 is: 142,052,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,435,907.80 : 155,153,861.70 = 94,701,904.60 : x
  2. Step 2: Convert to fraction form
    103,435,907.80/155,153,861.70 = 94,701,904.60/x
  3. Step 3: Cross multiply
    103,435,907.80x = 155,153,861.70 × 94,701,904.60
  4. Step 4: Simplify right side
    103,435,907.80x = 14,693,366,209,034,992
  5. Step 5: Solve for x
    x = 14,693,366,209,034,992/103,435,907.80
  6. Step 6: Final answer
    x = 142,052,856.90

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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.