Home / 151,214,643.40-226,821,965.10-43,509,267.40

Finding the Fourth Proportional to 151,214,643.40, 226,821,965.10 and 43,509,267.40

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Solution

The fourth proportional to 151,214,643.40, 226,821,965.10 and 43,509,267.40 is: 65,263,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,214,643.40 : 226,821,965.10 = 43,509,267.40 : x
  2. Step 2: Convert to fraction form
    151,214,643.40/226,821,965.10 = 43,509,267.40/x
  3. Step 3: Cross multiply
    151,214,643.40x = 226,821,965.10 × 43,509,267.40
  4. Step 4: Simplify right side
    151,214,643.40x = 9,868,857,531,729,368
  5. Step 5: Solve for x
    x = 9,868,857,531,729,368/151,214,643.40
  6. Step 6: Final answer
    x = 65,263,901.10

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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.