Home / 272,077,307.64-408,116,256.84-67,605,382.80

Finding the Fourth Proportional to 272,077,307.64, 408,116,256.84 and 67,605,382.80

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Solution

The fourth proportional to 272,077,307.64, 408,116,256.84 and 67,605,382.80 is: 101,408,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,077,307.64 : 408,116,256.84 = 67,605,382.80 : x
  2. Step 2: Convert to fraction form
    272,077,307.64/408,116,256.84 = 67,605,382.80/x
  3. Step 3: Cross multiply
    272,077,307.64x = 408,116,256.84 × 67,605,382.80
  4. Step 4: Simplify right side
    272,077,307.64x = 27,590,855,770,571,316
  5. Step 5: Solve for x
    x = 27,590,855,770,571,316/272,077,307.64
  6. Step 6: Final answer
    x = 101,408,147.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.