Home / 134,529,696.45-185,650,980.01-72,650,029.55

Finding the Fourth Proportional to 134,529,696.45, 185,650,980.01 and 72,650,029.55

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Solution

The fourth proportional to 134,529,696.45, 185,650,980.01 and 72,650,029.55 is: 100,257,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,529,696.45 : 185,650,980.01 = 72,650,029.55 : x
  2. Step 2: Convert to fraction form
    134,529,696.45/185,650,980.01 = 72,650,029.55/x
  3. Step 3: Cross multiply
    134,529,696.45x = 185,650,980.01 × 72,650,029.55
  4. Step 4: Simplify right side
    134,529,696.45x = 13,487,549,182,603,080
  5. Step 5: Solve for x
    x = 13,487,549,182,603,080/134,529,696.45
  6. Step 6: Final answer
    x = 100,257,040.18

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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.