Home / 133,918,880.76-184,828,225.46-81,738,238.95

Finding the Fourth Proportional to 133,918,880.76, 184,828,225.46 and 81,738,238.95

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Solution

The fourth proportional to 133,918,880.76, 184,828,225.46 and 81,738,238.95 is: 112,811,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,918,880.76 : 184,828,225.46 = 81,738,238.95 : x
  2. Step 2: Convert to fraction form
    133,918,880.76/184,828,225.46 = 81,738,238.95/x
  3. Step 3: Cross multiply
    133,918,880.76x = 184,828,225.46 × 81,738,238.95
  4. Step 4: Simplify right side
    133,918,880.76x = 15,107,533,656,945,264
  5. Step 5: Solve for x
    x = 15,107,533,656,945,264/133,918,880.76
  6. Step 6: Final answer
    x = 112,811,080.64

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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.