Home / 112,045,592.20-168,068,388.30-66,583,985.80

Finding the Fourth Proportional to 112,045,592.20, 168,068,388.30 and 66,583,985.80

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Solution

The fourth proportional to 112,045,592.20, 168,068,388.30 and 66,583,985.80 is: 99,875,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,045,592.20 : 168,068,388.30 = 66,583,985.80 : x
  2. Step 2: Convert to fraction form
    112,045,592.20/168,068,388.30 = 66,583,985.80/x
  3. Step 3: Cross multiply
    112,045,592.20x = 168,068,388.30 × 66,583,985.80
  4. Step 4: Simplify right side
    112,045,592.20x = 11,190,663,179,996,086
  5. Step 5: Solve for x
    x = 11,190,663,179,996,086/112,045,592.20
  6. Step 6: Final answer
    x = 99,875,978.70

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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.