Home / 130,558,166.40-195,885,460.80-53,887,843.20

Finding the Fourth Proportional to 130,558,166.40, 195,885,460.80 and 53,887,843.20

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Solution

The fourth proportional to 130,558,166.40, 195,885,460.80 and 53,887,843.20 is: 80,851,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,558,166.40 : 195,885,460.80 = 53,887,843.20 : x
  2. Step 2: Convert to fraction form
    130,558,166.40/195,885,460.80 = 53,887,843.20/x
  3. Step 3: Cross multiply
    130,558,166.40x = 195,885,460.80 × 53,887,843.20
  4. Step 4: Simplify right side
    130,558,166.40x = 10,555,844,996,750,148
  5. Step 5: Solve for x
    x = 10,555,844,996,750,148/130,558,166.40
  6. Step 6: Final answer
    x = 80,851,663.96

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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.