Home / 144,540,853.29-199,466,632.49-78,461,397.31

Finding the Fourth Proportional to 144,540,853.29, 199,466,632.49 and 78,461,397.31

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Solution

The fourth proportional to 144,540,853.29, 199,466,632.49 and 78,461,397.31 is: 108,276,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,540,853.29 : 199,466,632.49 = 78,461,397.31 : x
  2. Step 2: Convert to fraction form
    144,540,853.29/199,466,632.49 = 78,461,397.31/x
  3. Step 3: Cross multiply
    144,540,853.29x = 199,466,632.49 × 78,461,397.31
  4. Step 4: Simplify right side
    144,540,853.29x = 15,650,430,701,885,646
  5. Step 5: Solve for x
    x = 15,650,430,701,885,646/144,540,853.29
  6. Step 6: Final answer
    x = 108,276,866.68

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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.