Home / 407,339,068.25-610,899,208.52-112,163,912.64

Finding the Fourth Proportional to 407,339,068.25, 610,899,208.52 and 112,163,912.64

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Solution

The fourth proportional to 407,339,068.25, 610,899,208.52 and 112,163,912.64 is: 168,215,746.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,339,068.25 : 610,899,208.52 = 112,163,912.64 : x
  2. Step 2: Convert to fraction form
    407,339,068.25/610,899,208.52 = 112,163,912.64/x
  3. Step 3: Cross multiply
    407,339,068.25x = 610,899,208.52 × 112,163,912.64
  4. Step 4: Simplify right side
    407,339,068.25x = 68,520,845,455,721,600
  5. Step 5: Solve for x
    x = 68,520,845,455,721,600/407,339,068.25
  6. Step 6: Final answer
    x = 168,215,746.53

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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.