Home / 210,361,852.97-315,576,686.15-64,795,346.65

Finding the Fourth Proportional to 210,361,852.97, 315,576,686.15 and 64,795,346.65

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Solution

The fourth proportional to 210,361,852.97, 315,576,686.15 and 64,795,346.65 is: 97,203,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,361,852.97 : 315,576,686.15 = 64,795,346.65 : x
  2. Step 2: Convert to fraction form
    210,361,852.97/315,576,686.15 = 64,795,346.65/x
  3. Step 3: Cross multiply
    210,361,852.97x = 315,576,686.15 × 64,795,346.65
  4. Step 4: Simplify right side
    210,361,852.97x = 20,447,900,773,747,500
  5. Step 5: Solve for x
    x = 20,447,900,773,747,500/210,361,852.97
  6. Step 6: Final answer
    x = 97,203,463.87

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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.