Home / 143,355,737.40-215,117,586.90-52,488,511.80

Finding the Fourth Proportional to 143,355,737.40, 215,117,586.90 and 52,488,511.80

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Solution

The fourth proportional to 143,355,737.40, 215,117,586.90 and 52,488,511.80 is: 78,763,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,355,737.40 : 215,117,586.90 = 52,488,511.80 : x
  2. Step 2: Convert to fraction form
    143,355,737.40/215,117,586.90 = 52,488,511.80/x
  3. Step 3: Cross multiply
    143,355,737.40x = 215,117,586.90 × 52,488,511.80
  4. Step 4: Simplify right side
    143,355,737.40x = 11,291,201,998,388,176
  5. Step 5: Solve for x
    x = 11,291,201,998,388,176/143,355,737.40
  6. Step 6: Final answer
    x = 78,763,516.57

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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.