Home / 134,529,697.45-185,650,981.39-72,650,030.55

Finding the Fourth Proportional to 134,529,697.45, 185,650,981.39 and 72,650,030.55

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Solution

The fourth proportional to 134,529,697.45, 185,650,981.39 and 72,650,030.55 is: 100,257,041.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,529,697.45 : 185,650,981.39 = 72,650,030.55 : x
  2. Step 2: Convert to fraction form
    134,529,697.45/185,650,981.39 = 72,650,030.55/x
  3. Step 3: Cross multiply
    134,529,697.45x = 185,650,981.39 × 72,650,030.55
  4. Step 4: Simplify right side
    134,529,697.45x = 13,487,549,469,620,980
  5. Step 5: Solve for x
    x = 13,487,549,469,620,980/134,529,697.45
  6. Step 6: Final answer
    x = 100,257,041.57

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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.