Home / 124,416,603.40-186,624,905.10-76,043,662.60

Finding the Fourth Proportional to 124,416,603.40, 186,624,905.10 and 76,043,662.60

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Solution

The fourth proportional to 124,416,603.40, 186,624,905.10 and 76,043,662.60 is: 114,065,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,603.40 : 186,624,905.10 = 76,043,662.60 : x
  2. Step 2: Convert to fraction form
    124,416,603.40/186,624,905.10 = 76,043,662.60/x
  3. Step 3: Cross multiply
    124,416,603.40x = 186,624,905.10 × 76,043,662.60
  4. Step 4: Simplify right side
    124,416,603.40x = 14,191,641,316,181,418
  5. Step 5: Solve for x
    x = 14,191,641,316,181,418/124,416,603.40
  6. Step 6: Final answer
    x = 114,065,493.90

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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.