Home / 113,761,875.20-170,642,812.80-112,628,134.40

Finding the Fourth Proportional to 113,761,875.20, 170,642,812.80 and 112,628,134.40

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Solution

The fourth proportional to 113,761,875.20, 170,642,812.80 and 112,628,134.40 is: 168,942,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,761,875.20 : 170,642,812.80 = 112,628,134.40 : x
  2. Step 2: Convert to fraction form
    113,761,875.20/170,642,812.80 = 112,628,134.40/x
  3. Step 3: Cross multiply
    113,761,875.20x = 170,642,812.80 × 112,628,134.40
  4. Step 4: Simplify right side
    113,761,875.20x = 19,219,181,654,432,444
  5. Step 5: Solve for x
    x = 19,219,181,654,432,444/113,761,875.20
  6. Step 6: Final answer
    x = 168,942,201.60

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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.