Home / 70,312,740.10-105,469,110.15-43,102,960.90

Finding the Fourth Proportional to 70,312,740.10, 105,469,110.15 and 43,102,960.90

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Solution

The fourth proportional to 70,312,740.10, 105,469,110.15 and 43,102,960.90 is: 64,654,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,312,740.10 : 105,469,110.15 = 43,102,960.90 : x
  2. Step 2: Convert to fraction form
    70,312,740.10/105,469,110.15 = 43,102,960.90/x
  3. Step 3: Cross multiply
    70,312,740.10x = 105,469,110.15 × 43,102,960.90
  4. Step 4: Simplify right side
    70,312,740.10x = 4,546,030,930,953,243
  5. Step 5: Solve for x
    x = 4,546,030,930,953,243/70,312,740.10
  6. Step 6: Final answer
    x = 64,654,441.35

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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.