Home / 130,599,710.22-180,222,196.40-71,061,251.28

Finding the Fourth Proportional to 130,599,710.22, 180,222,196.40 and 71,061,251.28

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Solution

The fourth proportional to 130,599,710.22, 180,222,196.40 and 71,061,251.28 is: 98,061,586.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,599,710.22 : 180,222,196.40 = 71,061,251.28 : x
  2. Step 2: Convert to fraction form
    130,599,710.22/180,222,196.40 = 71,061,251.28/x
  3. Step 3: Cross multiply
    130,599,710.22x = 180,222,196.40 × 71,061,251.28
  4. Step 4: Simplify right side
    130,599,710.22x = 12,806,814,784,613,912
  5. Step 5: Solve for x
    x = 12,806,814,784,613,912/130,599,710.22
  6. Step 6: Final answer
    x = 98,061,586.53

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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.