Home / 139,968,000.20-209,952,000.30-138,624,307.40

Finding the Fourth Proportional to 139,968,000.20, 209,952,000.30 and 138,624,307.40

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Solution

The fourth proportional to 139,968,000.20, 209,952,000.30 and 138,624,307.40 is: 207,936,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,000.20 : 209,952,000.30 = 138,624,307.40 : x
  2. Step 2: Convert to fraction form
    139,968,000.20/209,952,000.30 = 138,624,307.40/x
  3. Step 3: Cross multiply
    139,968,000.20x = 209,952,000.30 × 138,624,307.40
  4. Step 4: Simplify right side
    139,968,000.20x = 29,104,450,628,832,096
  5. Step 5: Solve for x
    x = 29,104,450,628,832,096/139,968,000.20
  6. Step 6: Final answer
    x = 207,936,461.10

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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.