Home / 143,760,970.80-215,494,489.80-70,865,636.40

Finding the Fourth Proportional to 143,760,970.80, 215,494,489.80 and 70,865,636.40

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Solution

The fourth proportional to 143,760,970.80, 215,494,489.80 and 70,865,636.40 is: 106,226,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,760,970.80 : 215,494,489.80 = 70,865,636.40 : x
  2. Step 2: Convert to fraction form
    143,760,970.80/215,494,489.80 = 70,865,636.40/x
  3. Step 3: Cross multiply
    143,760,970.80x = 215,494,489.80 × 70,865,636.40
  4. Step 4: Simplify right side
    143,760,970.80x = 15,271,154,160,370,310
  5. Step 5: Solve for x
    x = 15,271,154,160,370,310/143,760,970.80
  6. Step 6: Final answer
    x = 106,226,008.88

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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.