Home / 105,072,015.40-157,608,023.10-64,761,231.40

Finding the Fourth Proportional to 105,072,015.40, 157,608,023.10 and 64,761,231.40

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Solution

The fourth proportional to 105,072,015.40, 157,608,023.10 and 64,761,231.40 is: 97,141,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,072,015.40 : 157,608,023.10 = 64,761,231.40 : x
  2. Step 2: Convert to fraction form
    105,072,015.40/157,608,023.10 = 64,761,231.40/x
  3. Step 3: Cross multiply
    105,072,015.40x = 157,608,023.10 × 64,761,231.40
  4. Step 4: Simplify right side
    105,072,015.40x = 10,206,889,654,475,644
  5. Step 5: Solve for x
    x = 10,206,889,654,475,644/105,072,015.40
  6. Step 6: Final answer
    x = 97,141,847.10

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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.