Home / 140,899,515.60-211,349,273.40-89,243,450.40

Finding the Fourth Proportional to 140,899,515.60, 211,349,273.40 and 89,243,450.40

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Solution

The fourth proportional to 140,899,515.60, 211,349,273.40 and 89,243,450.40 is: 133,865,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,899,515.60 : 211,349,273.40 = 89,243,450.40 : x
  2. Step 2: Convert to fraction form
    140,899,515.60/211,349,273.40 = 89,243,450.40/x
  3. Step 3: Cross multiply
    140,899,515.60x = 211,349,273.40 × 89,243,450.40
  4. Step 4: Simplify right side
    140,899,515.60x = 18,861,538,397,748,940
  5. Step 5: Solve for x
    x = 18,861,538,397,748,940/140,899,515.60
  6. Step 6: Final answer
    x = 133,865,175.60

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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.