Home / 123,020,511.90-184,404,796.65-71,876,204.70

Finding the Fourth Proportional to 123,020,511.90, 184,404,796.65 and 71,876,204.70

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Solution

The fourth proportional to 123,020,511.90, 184,404,796.65 and 71,876,204.70 is: 107,740,706.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,020,511.90 : 184,404,796.65 = 71,876,204.70 : x
  2. Step 2: Convert to fraction form
    123,020,511.90/184,404,796.65 = 71,876,204.70/x
  3. Step 3: Cross multiply
    123,020,511.90x = 184,404,796.65 × 71,876,204.70
  4. Step 4: Simplify right side
    123,020,511.90x = 13,254,316,911,677,276
  5. Step 5: Solve for x
    x = 13,254,316,911,677,276/123,020,511.90
  6. Step 6: Final answer
    x = 107,740,706.87

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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.