Home / 134,529,701.75-185,650,987.32-72,650,034.84

Finding the Fourth Proportional to 134,529,701.75, 185,650,987.32 and 72,650,034.84

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Solution

The fourth proportional to 134,529,701.75, 185,650,987.32 and 72,650,034.84 is: 100,257,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,529,701.75 : 185,650,987.32 = 72,650,034.84 : x
  2. Step 2: Convert to fraction form
    134,529,701.75/185,650,987.32 = 72,650,034.84/x
  3. Step 3: Cross multiply
    134,529,701.75x = 185,650,987.32 × 72,650,034.84
  4. Step 4: Simplify right side
    134,529,701.75x = 13,487,550,696,878,398
  5. Step 5: Solve for x
    x = 13,487,550,696,878,398/134,529,701.75
  6. Step 6: Final answer
    x = 100,257,047.49

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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.