Home / 130,244,905.02-179,743,023.48-71,510,045.70

Finding the Fourth Proportional to 130,244,905.02, 179,743,023.48 and 71,510,045.70

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Solution

The fourth proportional to 130,244,905.02, 179,743,023.48 and 71,510,045.70 is: 98,686,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,244,905.02 : 179,743,023.48 = 71,510,045.70 : x
  2. Step 2: Convert to fraction form
    130,244,905.02/179,743,023.48 = 71,510,045.70/x
  3. Step 3: Cross multiply
    130,244,905.02x = 179,743,023.48 × 71,510,045.70
  4. Step 4: Simplify right side
    130,244,905.02x = 12,853,431,823,310,972
  5. Step 5: Solve for x
    x = 12,853,431,823,310,972/130,244,905.02
  6. Step 6: Final answer
    x = 98,686,638.23

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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.