Home / 112,335,901.20-168,503,851.80-51,869,725.20

Finding the Fourth Proportional to 112,335,901.20, 168,503,851.80 and 51,869,725.20

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Solution

The fourth proportional to 112,335,901.20, 168,503,851.80 and 51,869,725.20 is: 77,804,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,335,901.20 : 168,503,851.80 = 51,869,725.20 : x
  2. Step 2: Convert to fraction form
    112,335,901.20/168,503,851.80 = 51,869,725.20/x
  3. Step 3: Cross multiply
    112,335,901.20x = 168,503,851.80 × 51,869,725.20
  4. Step 4: Simplify right side
    112,335,901.20x = 8,740,248,488,007,526
  5. Step 5: Solve for x
    x = 8,740,248,488,007,526/112,335,901.20
  6. Step 6: Final answer
    x = 77,804,587.80

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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.