Home / 152,078,810.60-228,118,215.90-143,120,858.60

Finding the Fourth Proportional to 152,078,810.60, 228,118,215.90 and 143,120,858.60

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Solution

The fourth proportional to 152,078,810.60, 228,118,215.90 and 143,120,858.60 is: 214,681,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,078,810.60 : 228,118,215.90 = 143,120,858.60 : x
  2. Step 2: Convert to fraction form
    152,078,810.60/228,118,215.90 = 143,120,858.60/x
  3. Step 3: Cross multiply
    152,078,810.60x = 228,118,215.90 × 143,120,858.60
  4. Step 4: Simplify right side
    152,078,810.60x = 32,648,474,921,908,172
  5. Step 5: Solve for x
    x = 32,648,474,921,908,172/152,078,810.60
  6. Step 6: Final answer
    x = 214,681,287.90

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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.