Home / 98,109,828.30-147,164,742.45-89,022,187.20

Finding the Fourth Proportional to 98,109,828.30, 147,164,742.45 and 89,022,187.20

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Solution

The fourth proportional to 98,109,828.30, 147,164,742.45 and 89,022,187.20 is: 133,533,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,109,828.30 : 147,164,742.45 = 89,022,187.20 : x
  2. Step 2: Convert to fraction form
    98,109,828.30/147,164,742.45 = 89,022,187.20/x
  3. Step 3: Cross multiply
    98,109,828.30x = 147,164,742.45 × 89,022,187.20
  4. Step 4: Simplify right side
    98,109,828.30x = 13,100,927,251,623,686
  5. Step 5: Solve for x
    x = 13,100,927,251,623,686/98,109,828.30
  6. Step 6: Final answer
    x = 133,533,280.80

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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.