Home / 210,619,680.30-315,929,520.45-95,828,424.30

Finding the Fourth Proportional to 210,619,680.30, 315,929,520.45 and 95,828,424.30

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Solution

The fourth proportional to 210,619,680.30, 315,929,520.45 and 95,828,424.30 is: 143,742,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,619,680.30 : 315,929,520.45 = 95,828,424.30 : x
  2. Step 2: Convert to fraction form
    210,619,680.30/315,929,520.45 = 95,828,424.30/x
  3. Step 3: Cross multiply
    210,619,680.30x = 315,929,520.45 × 95,828,424.30
  4. Step 4: Simplify right side
    210,619,680.30x = 30,275,028,134,578,124
  5. Step 5: Solve for x
    x = 30,275,028,134,578,124/210,619,680.30
  6. Step 6: Final answer
    x = 143,742,636.45

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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.