Home / 112,752,242.40-169,128,363.60-76,378,058.40

Finding the Fourth Proportional to 112,752,242.40, 169,128,363.60 and 76,378,058.40

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Solution

The fourth proportional to 112,752,242.40, 169,128,363.60 and 76,378,058.40 is: 114,567,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,752,242.40 : 169,128,363.60 = 76,378,058.40 : x
  2. Step 2: Convert to fraction form
    112,752,242.40/169,128,363.60 = 76,378,058.40/x
  3. Step 3: Cross multiply
    112,752,242.40x = 169,128,363.60 × 76,378,058.40
  4. Step 4: Simplify right side
    112,752,242.40x = 12,917,696,032,137,234
  5. Step 5: Solve for x
    x = 12,917,696,032,137,234/112,752,242.40
  6. Step 6: Final answer
    x = 114,567,087.60

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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.