Home / 143,562,407.40-215,343,611.10-57,314,125.80

Finding the Fourth Proportional to 143,562,407.40, 215,343,611.10 and 57,314,125.80

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Solution

The fourth proportional to 143,562,407.40, 215,343,611.10 and 57,314,125.80 is: 85,971,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,562,407.40 : 215,343,611.10 = 57,314,125.80 : x
  2. Step 2: Convert to fraction form
    143,562,407.40/215,343,611.10 = 57,314,125.80/x
  3. Step 3: Cross multiply
    143,562,407.40x = 215,343,611.10 × 57,314,125.80
  4. Step 4: Simplify right side
    143,562,407.40x = 12,342,230,816,811,676
  5. Step 5: Solve for x
    x = 12,342,230,816,811,676/143,562,407.40
  6. Step 6: Final answer
    x = 85,971,188.70

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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.