Home / 144,827,504.66-199,860,568.66-78,748,027.16

Finding the Fourth Proportional to 144,827,504.66, 199,860,568.66 and 78,748,027.16

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Solution

The fourth proportional to 144,827,504.66, 199,860,568.66 and 78,748,027.16 is: 108,671,522.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,827,504.66 : 199,860,568.66 = 78,748,027.16 : x
  2. Step 2: Convert to fraction form
    144,827,504.66/199,860,568.66 = 78,748,027.16/x
  3. Step 3: Cross multiply
    144,827,504.66x = 199,860,568.66 × 78,748,027.16
  4. Step 4: Simplify right side
    144,827,504.66x = 15,738,625,488,149,856
  5. Step 5: Solve for x
    x = 15,738,625,488,149,856/144,827,504.66
  6. Step 6: Final answer
    x = 108,671,522.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.