Home / 67,345,881.36-101,022,428.16-21,284,246.40

Finding the Fourth Proportional to 67,345,881.36, 101,022,428.16 and 21,284,246.40

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Solution

The fourth proportional to 67,345,881.36, 101,022,428.16 and 21,284,246.40 is: 31,927,509.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,345,881.36 : 101,022,428.16 = 21,284,246.40 : x
  2. Step 2: Convert to fraction form
    67,345,881.36/101,022,428.16 = 21,284,246.40/x
  3. Step 3: Cross multiply
    67,345,881.36x = 101,022,428.16 × 21,284,246.40
  4. Step 4: Simplify right side
    67,345,881.36x = 2,150,186,252,883,738.50
  5. Step 5: Solve for x
    x = 2,150,186,252,883,738.50/67,345,881.36
  6. Step 6: Final answer
    x = 31,927,509.29

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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.