Home / 70,656,040.40-105,984,060.60-59,318,632.40

Finding the Fourth Proportional to 70,656,040.40, 105,984,060.60 and 59,318,632.40

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Solution

The fourth proportional to 70,656,040.40, 105,984,060.60 and 59,318,632.40 is: 88,977,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,656,040.40 : 105,984,060.60 = 59,318,632.40 : x
  2. Step 2: Convert to fraction form
    70,656,040.40/105,984,060.60 = 59,318,632.40/x
  3. Step 3: Cross multiply
    70,656,040.40x = 105,984,060.60 × 59,318,632.40
  4. Step 4: Simplify right side
    70,656,040.40x = 6,286,829,530,990,723
  5. Step 5: Solve for x
    x = 6,286,829,530,990,723/70,656,040.40
  6. Step 6: Final answer
    x = 88,977,948.60

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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.