Home / 173,816,018.40-260,724,027.60-87,521,080.80

Finding the Fourth Proportional to 173,816,018.40, 260,724,027.60 and 87,521,080.80

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Solution

The fourth proportional to 173,816,018.40, 260,724,027.60 and 87,521,080.80 is: 131,281,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,816,018.40 : 260,724,027.60 = 87,521,080.80 : x
  2. Step 2: Convert to fraction form
    173,816,018.40/260,724,027.60 = 87,521,080.80/x
  3. Step 3: Cross multiply
    173,816,018.40x = 260,724,027.60 × 87,521,080.80
  4. Step 4: Simplify right side
    173,816,018.40x = 22,818,848,686,081,028
  5. Step 5: Solve for x
    x = 22,818,848,686,081,028/173,816,018.40
  6. Step 6: Final answer
    x = 131,281,621.20

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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.