Home / 70,235,611.96-105,879,848.19-65,553,682.36

Finding the Fourth Proportional to 70,235,611.96, 105,879,848.19 and 65,553,682.36

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Solution

The fourth proportional to 70,235,611.96, 105,879,848.19 and 65,553,682.36 is: 98,821,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,235,611.96 : 105,879,848.19 = 65,553,682.36 : x
  2. Step 2: Convert to fraction form
    70,235,611.96/105,879,848.19 = 65,553,682.36/x
  3. Step 3: Cross multiply
    70,235,611.96x = 105,879,848.19 × 65,553,682.36
  4. Step 4: Simplify right side
    70,235,611.96x = 6,940,813,936,572,281
  5. Step 5: Solve for x
    x = 6,940,813,936,572,281/70,235,611.96
  6. Step 6: Final answer
    x = 98,821,861.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.