Home / 130,599,648-180,222,110.70-71,061,189.14

Finding the Fourth Proportional to 130,599,648, 180,222,110.70 and 71,061,189.14

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Solution

The fourth proportional to 130,599,648, 180,222,110.70 and 71,061,189.14 is: 98,061,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,599,648 : 180,222,110.70 = 71,061,189.14 : x
  2. Step 2: Convert to fraction form
    130,599,648/180,222,110.70 = 71,061,189.14/x
  3. Step 3: Cross multiply
    130,599,648x = 180,222,110.70 × 71,061,189.14
  4. Step 4: Simplify right side
    130,599,648x = 12,806,797,495,662,718
  5. Step 5: Solve for x
    x = 12,806,797,495,662,718/130,599,648
  6. Step 6: Final answer
    x = 98,061,500.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.