Home / 109,985,109.10-164,977,663.65-108,284,497.90

Finding the Fourth Proportional to 109,985,109.10, 164,977,663.65 and 108,284,497.90

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Solution

The fourth proportional to 109,985,109.10, 164,977,663.65 and 108,284,497.90 is: 162,426,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,985,109.10 : 164,977,663.65 = 108,284,497.90 : x
  2. Step 2: Convert to fraction form
    109,985,109.10/164,977,663.65 = 108,284,497.90/x
  3. Step 3: Cross multiply
    109,985,109.10x = 164,977,663.65 × 108,284,497.90
  4. Step 4: Simplify right side
    109,985,109.10x = 17,864,523,473,055,332
  5. Step 5: Solve for x
    x = 17,864,523,473,055,332/109,985,109.10
  6. Step 6: Final answer
    x = 162,426,746.85

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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.