Home / 155,520,603.40-233,280,905.10-147,206,504.20

Finding the Fourth Proportional to 155,520,603.40, 233,280,905.10 and 147,206,504.20

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Solution

The fourth proportional to 155,520,603.40, 233,280,905.10 and 147,206,504.20 is: 220,809,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,520,603.40 : 233,280,905.10 = 147,206,504.20 : x
  2. Step 2: Convert to fraction form
    155,520,603.40/233,280,905.10 = 147,206,504.20/x
  3. Step 3: Cross multiply
    155,520,603.40x = 233,280,905.10 × 147,206,504.20
  4. Step 4: Simplify right side
    155,520,603.40x = 34,340,466,536,382,948
  5. Step 5: Solve for x
    x = 34,340,466,536,382,948/155,520,603.40
  6. Step 6: Final answer
    x = 220,809,756.30

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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.