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Finding the Fourth Proportional to 112,338,047.20, 168,507,070.80 and 112,338,047.20

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Solution

The fourth proportional to 112,338,047.20, 168,507,070.80 and 112,338,047.20 is: 168,507,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,338,047.20 : 168,507,070.80 = 112,338,047.20 : x
  2. Step 2: Convert to fraction form
    112,338,047.20/168,507,070.80 = 112,338,047.20/x
  3. Step 3: Cross multiply
    112,338,047.20x = 168,507,070.80 × 112,338,047.20
  4. Step 4: Simplify right side
    112,338,047.20x = 18,929,755,273,064,144
  5. Step 5: Solve for x
    x = 18,929,755,273,064,144/112,338,047.20
  6. Step 6: Final answer
    x = 168,507,070.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.