Home / 272,077,311.64-408,116,262.84-67,605,386.80

Finding the Fourth Proportional to 272,077,311.64, 408,116,262.84 and 67,605,386.80

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Solution

The fourth proportional to 272,077,311.64, 408,116,262.84 and 67,605,386.80 is: 101,408,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,077,311.64 : 408,116,262.84 = 67,605,386.80 : x
  2. Step 2: Convert to fraction form
    272,077,311.64/408,116,262.84 = 67,605,386.80/x
  3. Step 3: Cross multiply
    272,077,311.64x = 408,116,262.84 × 67,605,386.80
  4. Step 4: Simplify right side
    272,077,311.64x = 27,590,857,808,668,664
  5. Step 5: Solve for x
    x = 27,590,857,808,668,664/272,077,311.64
  6. Step 6: Final answer
    x = 101,408,153.60

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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.