Home / 112,133,618.30-168,200,427.45-83,435,804.30

Finding the Fourth Proportional to 112,133,618.30, 168,200,427.45 and 83,435,804.30

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Solution

The fourth proportional to 112,133,618.30, 168,200,427.45 and 83,435,804.30 is: 125,153,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,133,618.30 : 168,200,427.45 = 83,435,804.30 : x
  2. Step 2: Convert to fraction form
    112,133,618.30/168,200,427.45 = 83,435,804.30/x
  3. Step 3: Cross multiply
    112,133,618.30x = 168,200,427.45 × 83,435,804.30
  4. Step 4: Simplify right side
    112,133,618.30x = 14,033,937,947,894,546
  5. Step 5: Solve for x
    x = 14,033,937,947,894,546/112,133,618.30
  6. Step 6: Final answer
    x = 125,153,706.45

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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.