Home / 210,045,293.95-289,900,448.81-125,277,847.21

Finding the Fourth Proportional to 210,045,293.95, 289,900,448.81 and 125,277,847.21

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Solution

The fourth proportional to 210,045,293.95, 289,900,448.81 and 125,277,847.21 is: 172,906,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,045,293.95 : 289,900,448.81 = 125,277,847.21 : x
  2. Step 2: Convert to fraction form
    210,045,293.95/289,900,448.81 = 125,277,847.21/x
  3. Step 3: Cross multiply
    210,045,293.95x = 289,900,448.81 × 125,277,847.21
  4. Step 4: Simplify right side
    210,045,293.95x = 36,318,104,132,129,608
  5. Step 5: Solve for x
    x = 36,318,104,132,129,608/210,045,293.95
  6. Step 6: Final answer
    x = 172,906,059.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.