Home / 70,312,740.60-105,469,110.90-43,102,961.40

Finding the Fourth Proportional to 70,312,740.60, 105,469,110.90 and 43,102,961.40

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Solution

The fourth proportional to 70,312,740.60, 105,469,110.90 and 43,102,961.40 is: 64,654,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,312,740.60 : 105,469,110.90 = 43,102,961.40 : x
  2. Step 2: Convert to fraction form
    70,312,740.60/105,469,110.90 = 43,102,961.40/x
  3. Step 3: Cross multiply
    70,312,740.60x = 105,469,110.90 × 43,102,961.40
  4. Step 4: Simplify right side
    70,312,740.60x = 4,546,031,016,015,019
  5. Step 5: Solve for x
    x = 4,546,031,016,015,019/70,312,740.60
  6. Step 6: Final answer
    x = 64,654,442.10

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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.