Home / 220,128,335.40-330,192,503.10-124,576,847.40

Finding the Fourth Proportional to 220,128,335.40, 330,192,503.10 and 124,576,847.40

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Solution

The fourth proportional to 220,128,335.40, 330,192,503.10 and 124,576,847.40 is: 186,865,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,128,335.40 : 330,192,503.10 = 124,576,847.40 : x
  2. Step 2: Convert to fraction form
    220,128,335.40/330,192,503.10 = 124,576,847.40/x
  3. Step 3: Cross multiply
    220,128,335.40x = 330,192,503.10 × 124,576,847.40
  4. Step 4: Simplify right side
    220,128,335.40x = 41,134,341,071,312,728
  5. Step 5: Solve for x
    x = 41,134,341,071,312,728/220,128,335.40
  6. Step 6: Final answer
    x = 186,865,271.10

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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.