Home / 105,872,000.80-158,808,001.20-45,293,850.40

Finding the Fourth Proportional to 105,872,000.80, 158,808,001.20 and 45,293,850.40

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Solution

The fourth proportional to 105,872,000.80, 158,808,001.20 and 45,293,850.40 is: 67,940,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,872,000.80 : 158,808,001.20 = 45,293,850.40 : x
  2. Step 2: Convert to fraction form
    105,872,000.80/158,808,001.20 = 45,293,850.40/x
  3. Step 3: Cross multiply
    105,872,000.80x = 158,808,001.20 × 45,293,850.40
  4. Step 4: Simplify right side
    105,872,000.80x = 7,193,025,848,675,820
  5. Step 5: Solve for x
    x = 7,193,025,848,675,820/105,872,000.80
  6. Step 6: Final answer
    x = 67,940,775.60

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Similar ratio
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1.5x scale

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.