Home / 68,634,100.74-102,951,068.48-17,516,125.02

Finding the Fourth Proportional to 68,634,100.74, 102,951,068.48 and 17,516,125.02

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Solution

The fourth proportional to 68,634,100.74, 102,951,068.48 and 17,516,125.02 is: 26,274,166.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,634,100.74 : 102,951,068.48 = 17,516,125.02 : x
  2. Step 2: Convert to fraction form
    68,634,100.74/102,951,068.48 = 17,516,125.02/x
  3. Step 3: Cross multiply
    68,634,100.74x = 102,951,068.48 × 17,516,125.02
  4. Step 4: Simplify right side
    68,634,100.74x = 1,803,303,786,438,261.50
  5. Step 5: Solve for x
    x = 1,803,303,786,438,261.50/68,634,100.74
  6. Step 6: Final answer
    x = 26,274,166.44

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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.