Home / 123,020,425.40-184,404,666.90-71,876,118.20

Finding the Fourth Proportional to 123,020,425.40, 184,404,666.90 and 71,876,118.20

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Solution

The fourth proportional to 123,020,425.40, 184,404,666.90 and 71,876,118.20 is: 107,740,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,020,425.40 : 184,404,666.90 = 71,876,118.20 : x
  2. Step 2: Convert to fraction form
    123,020,425.40/184,404,666.90 = 71,876,118.20/x
  3. Step 3: Cross multiply
    123,020,425.40x = 184,404,666.90 × 71,876,118.20
  4. Step 4: Simplify right side
    123,020,425.40x = 13,254,291,634,736,028
  5. Step 5: Solve for x
    x = 13,254,291,634,736,028/123,020,425.40
  6. Step 6: Final answer
    x = 107,740,577.16

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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.