Home / 130,244,901.50-179,743,018.67-71,510,042.18

Finding the Fourth Proportional to 130,244,901.50, 179,743,018.67 and 71,510,042.18

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Solution

The fourth proportional to 130,244,901.50, 179,743,018.67 and 71,510,042.18 is: 98,686,633.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,244,901.50 : 179,743,018.67 = 71,510,042.18 : x
  2. Step 2: Convert to fraction form
    130,244,901.50/179,743,018.67 = 71,510,042.18/x
  3. Step 3: Cross multiply
    130,244,901.50x = 179,743,018.67 × 71,510,042.18
  4. Step 4: Simplify right side
    130,244,901.50x = 12,853,430,845,395,962
  5. Step 5: Solve for x
    x = 12,853,430,845,395,962/130,244,901.50
  6. Step 6: Final answer
    x = 98,686,633.39

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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.