Home / 98,131,419.60-147,197,129.40-97,459,573.20

Finding the Fourth Proportional to 98,131,419.60, 147,197,129.40 and 97,459,573.20

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Solution

The fourth proportional to 98,131,419.60, 147,197,129.40 and 97,459,573.20 is: 146,189,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,131,419.60 : 147,197,129.40 = 97,459,573.20 : x
  2. Step 2: Convert to fraction form
    98,131,419.60/147,197,129.40 = 97,459,573.20/x
  3. Step 3: Cross multiply
    98,131,419.60x = 147,197,129.40 × 97,459,573.20
  4. Step 4: Simplify right side
    98,131,419.60x = 14,345,769,407,589,174
  5. Step 5: Solve for x
    x = 14,345,769,407,589,174/98,131,419.60
  6. Step 6: Final answer
    x = 146,189,359.80

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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.