Home / 112,090,930.40-168,207,254.40-66,032,710.40

Finding the Fourth Proportional to 112,090,930.40, 168,207,254.40 and 66,032,710.40

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Solution

The fourth proportional to 112,090,930.40, 168,207,254.40 and 66,032,710.40 is: 99,090,808.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,090,930.40 : 168,207,254.40 = 66,032,710.40 : x
  2. Step 2: Convert to fraction form
    112,090,930.40/168,207,254.40 = 66,032,710.40/x
  3. Step 3: Cross multiply
    112,090,930.40x = 168,207,254.40 × 66,032,710.40
  4. Step 4: Simplify right side
    112,090,930.40x = 11,107,180,916,974,326
  5. Step 5: Solve for x
    x = 11,107,180,916,974,326/112,090,930.40
  6. Step 6: Final answer
    x = 99,090,808.48

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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.