Home / 72,765,880,666.20-109,148,820,999.30-72,765,880,666.20

Finding the Fourth Proportional to 72,765,880,666.20, 109,148,820,999.30 and 72,765,880,666.20

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Solution

The fourth proportional to 72,765,880,666.20, 109,148,820,999.30 and 72,765,880,666.20 is: 109,148,820,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,765,880,666.20 : 109,148,820,999.30 = 72,765,880,666.20 : x
  2. Step 2: Convert to fraction form
    72,765,880,666.20/109,148,820,999.30 = 72,765,880,666.20/x
  3. Step 3: Cross multiply
    72,765,880,666.20x = 109,148,820,999.30 × 72,765,880,666.20
  4. Step 4: Simplify right side
    72,765,880,666.20x = 7,942,310,083,691,487,952,896
  5. Step 5: Solve for x
    x = 7,942,310,083,691,487,952,896/72,765,880,666.20
  6. Step 6: Final answer
    x = 109,148,820,999.30

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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.