Home / 119,531,657.78-179,142,187.80-53,904,599.18

Finding the Fourth Proportional to 119,531,657.78, 179,142,187.80 and 53,904,599.18

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Solution

The fourth proportional to 119,531,657.78, 179,142,187.80 and 53,904,599.18 is: 80,786,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,531,657.78 : 179,142,187.80 = 53,904,599.18 : x
  2. Step 2: Convert to fraction form
    119,531,657.78/179,142,187.80 = 53,904,599.18/x
  3. Step 3: Cross multiply
    119,531,657.78x = 179,142,187.80 × 53,904,599.18
  4. Step 4: Simplify right side
    119,531,657.78x = 9,656,587,829,262,018
  5. Step 5: Solve for x
    x = 9,656,587,829,262,018/119,531,657.78
  6. Step 6: Final answer
    x = 80,786,864.41

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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.