Home / 210,028,015.80-315,042,023.70-56,673,826.20

Finding the Fourth Proportional to 210,028,015.80, 315,042,023.70 and 56,673,826.20

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Solution

The fourth proportional to 210,028,015.80, 315,042,023.70 and 56,673,826.20 is: 85,010,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,028,015.80 : 315,042,023.70 = 56,673,826.20 : x
  2. Step 2: Convert to fraction form
    210,028,015.80/315,042,023.70 = 56,673,826.20/x
  3. Step 3: Cross multiply
    210,028,015.80x = 315,042,023.70 × 56,673,826.20
  4. Step 4: Simplify right side
    210,028,015.80x = 17,854,636,896,870,082
  5. Step 5: Solve for x
    x = 17,854,636,896,870,082/210,028,015.80
  6. Step 6: Final answer
    x = 85,010,739.30

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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.