Home / 70,656,019.40-105,984,029.10-59,318,611.40

Finding the Fourth Proportional to 70,656,019.40, 105,984,029.10 and 59,318,611.40

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Solution

The fourth proportional to 70,656,019.40, 105,984,029.10 and 59,318,611.40 is: 88,977,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,656,019.40 : 105,984,029.10 = 59,318,611.40 : x
  2. Step 2: Convert to fraction form
    70,656,019.40/105,984,029.10 = 59,318,611.40/x
  3. Step 3: Cross multiply
    70,656,019.40x = 105,984,029.10 × 59,318,611.40
  4. Step 4: Simplify right side
    70,656,019.40x = 6,286,825,436,789,191
  5. Step 5: Solve for x
    x = 6,286,825,436,789,191/70,656,019.40
  6. Step 6: Final answer
    x = 88,977,917.10

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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.