Home / 112,339,427.60-168,509,141.40-93,191,805.20

Finding the Fourth Proportional to 112,339,427.60, 168,509,141.40 and 93,191,805.20

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Solution

The fourth proportional to 112,339,427.60, 168,509,141.40 and 93,191,805.20 is: 139,787,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,339,427.60 : 168,509,141.40 = 93,191,805.20 : x
  2. Step 2: Convert to fraction form
    112,339,427.60/168,509,141.40 = 93,191,805.20/x
  3. Step 3: Cross multiply
    112,339,427.60x = 168,509,141.40 × 93,191,805.20
  4. Step 4: Simplify right side
    112,339,427.60x = 15,703,671,079,768,056
  5. Step 5: Solve for x
    x = 15,703,671,079,768,056/112,339,427.60
  6. Step 6: Final answer
    x = 139,787,707.80

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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.