Home / 143,738,438.80-215,607,658.20-52,843,219.60

Finding the Fourth Proportional to 143,738,438.80, 215,607,658.20 and 52,843,219.60

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Solution

The fourth proportional to 143,738,438.80, 215,607,658.20 and 52,843,219.60 is: 79,264,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,738,438.80 : 215,607,658.20 = 52,843,219.60 : x
  2. Step 2: Convert to fraction form
    143,738,438.80/215,607,658.20 = 52,843,219.60/x
  3. Step 3: Cross multiply
    143,738,438.80x = 215,607,658.20 × 52,843,219.60
  4. Step 4: Simplify right side
    143,738,438.80x = 11,393,402,829,704,340
  5. Step 5: Solve for x
    x = 11,393,402,829,704,340/143,738,438.80
  6. Step 6: Final answer
    x = 79,264,829.40

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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.