Home / 123,020,526.40-184,404,818.40-71,876,219.20

Finding the Fourth Proportional to 123,020,526.40, 184,404,818.40 and 71,876,219.20

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Solution

The fourth proportional to 123,020,526.40, 184,404,818.40 and 71,876,219.20 is: 107,740,728.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,020,526.40 : 184,404,818.40 = 71,876,219.20 : x
  2. Step 2: Convert to fraction form
    123,020,526.40/184,404,818.40 = 71,876,219.20/x
  3. Step 3: Cross multiply
    123,020,526.40x = 184,404,818.40 × 71,876,219.20
  4. Step 4: Simplify right side
    123,020,526.40x = 13,254,321,148,854,594
  5. Step 5: Solve for x
    x = 13,254,321,148,854,594/123,020,526.40
  6. Step 6: Final answer
    x = 107,740,728.61

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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.