Home / 210,221,679.60-315,276,532.20-64,654,959.60

Finding the Fourth Proportional to 210,221,679.60, 315,276,532.20 and 64,654,959.60

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Solution

The fourth proportional to 210,221,679.60, 315,276,532.20 and 64,654,959.60 is: 96,965,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,221,679.60 : 315,276,532.20 = 64,654,959.60 : x
  2. Step 2: Convert to fraction form
    210,221,679.60/315,276,532.20 = 64,654,959.60/x
  3. Step 3: Cross multiply
    210,221,679.60x = 315,276,532.20 × 64,654,959.60
  4. Step 4: Simplify right side
    210,221,679.60x = 20,384,191,452,219,100
  5. Step 5: Solve for x
    x = 20,384,191,452,219,100/210,221,679.60
  6. Step 6: Final answer
    x = 96,965,220.20

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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.