Home / 98,112,070.80-147,168,106.20-29,945,905.20

Finding the Fourth Proportional to 98,112,070.80, 147,168,106.20 and 29,945,905.20

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Solution

The fourth proportional to 98,112,070.80, 147,168,106.20 and 29,945,905.20 is: 44,918,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,112,070.80 : 147,168,106.20 = 29,945,905.20 : x
  2. Step 2: Convert to fraction form
    98,112,070.80/147,168,106.20 = 29,945,905.20/x
  3. Step 3: Cross multiply
    98,112,070.80x = 147,168,106.20 × 29,945,905.20
  4. Step 4: Simplify right side
    98,112,070.80x = 4,407,082,156,728,732
  5. Step 5: Solve for x
    x = 4,407,082,156,728,732/98,112,070.80
  6. Step 6: Final answer
    x = 44,918,857.80

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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.