Home / 101,970,264.40-140,718,985.20-55,560,518.32

Finding the Fourth Proportional to 101,970,264.40, 140,718,985.20 and 55,560,518.32

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Solution

The fourth proportional to 101,970,264.40, 140,718,985.20 and 55,560,518.32 is: 76,673,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,970,264.40 : 140,718,985.20 = 55,560,518.32 : x
  2. Step 2: Convert to fraction form
    101,970,264.40/140,718,985.20 = 55,560,518.32/x
  3. Step 3: Cross multiply
    101,970,264.40x = 140,718,985.20 × 55,560,518.32
  4. Step 4: Simplify right side
    101,970,264.40x = 7,818,419,755,176,408
  5. Step 5: Solve for x
    x = 7,818,419,755,176,408/101,970,264.40
  6. Step 6: Final answer
    x = 76,673,526.36

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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.