Home / 139,370,503.73-192,276,862.75-79,799,965.74

Finding the Fourth Proportional to 139,370,503.73, 192,276,862.75 and 79,799,965.74

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Solution

The fourth proportional to 139,370,503.73, 192,276,862.75 and 79,799,965.74 is: 110,092,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,370,503.73 : 192,276,862.75 = 79,799,965.74 : x
  2. Step 2: Convert to fraction form
    139,370,503.73/192,276,862.75 = 79,799,965.74/x
  3. Step 3: Cross multiply
    139,370,503.73x = 192,276,862.75 × 79,799,965.74
  4. Step 4: Simplify right side
    139,370,503.73x = 15,343,687,059,828,786
  5. Step 5: Solve for x
    x = 15,343,687,059,828,786/139,370,503.73
  6. Step 6: Final answer
    x = 110,092,786.13

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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.