Home / 134,534,389.03-185,657,449.76-72,654,721.63

Finding the Fourth Proportional to 134,534,389.03, 185,657,449.76 and 72,654,721.63

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Solution

The fourth proportional to 134,534,389.03, 185,657,449.76 and 72,654,721.63 is: 100,263,512.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,534,389.03 : 185,657,449.76 = 72,654,721.63 : x
  2. Step 2: Convert to fraction form
    134,534,389.03/185,657,449.76 = 72,654,721.63/x
  3. Step 3: Cross multiply
    134,534,389.03x = 185,657,449.76 × 72,654,721.63
  4. Step 4: Simplify right side
    134,534,389.03x = 13,488,890,330,848,508
  5. Step 5: Solve for x
    x = 13,488,890,330,848,508/134,534,389.03
  6. Step 6: Final answer
    x = 100,263,512.01

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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.