Home / 109,013,666.70-163,520,500.05-84,827,196.30

Finding the Fourth Proportional to 109,013,666.70, 163,520,500.05 and 84,827,196.30

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Solution

The fourth proportional to 109,013,666.70, 163,520,500.05 and 84,827,196.30 is: 127,240,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,013,666.70 : 163,520,500.05 = 84,827,196.30 : x
  2. Step 2: Convert to fraction form
    109,013,666.70/163,520,500.05 = 84,827,196.30/x
  3. Step 3: Cross multiply
    109,013,666.70x = 163,520,500.05 × 84,827,196.30
  4. Step 4: Simplify right side
    109,013,666.70x = 13,870,985,556,815,510
  5. Step 5: Solve for x
    x = 13,870,985,556,815,510/109,013,666.70
  6. Step 6: Final answer
    x = 127,240,794.45

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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.