Home / 109,985,106.60-164,977,659.90-108,284,495.40

Finding the Fourth Proportional to 109,985,106.60, 164,977,659.90 and 108,284,495.40

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Solution

The fourth proportional to 109,985,106.60, 164,977,659.90 and 108,284,495.40 is: 162,426,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,985,106.60 : 164,977,659.90 = 108,284,495.40 : x
  2. Step 2: Convert to fraction form
    109,985,106.60/164,977,659.90 = 108,284,495.40/x
  3. Step 3: Cross multiply
    109,985,106.60x = 164,977,659.90 × 108,284,495.40
  4. Step 4: Simplify right side
    109,985,106.60x = 17,864,522,654,544,316
  5. Step 5: Solve for x
    x = 17,864,522,654,544,316/109,985,106.60
  6. Step 6: Final answer
    x = 162,426,743.10

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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.