Home / 119,117,417.94-178,635,957.54-45,323,679.78

Finding the Fourth Proportional to 119,117,417.94, 178,635,957.54 and 45,323,679.78

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Solution

The fourth proportional to 119,117,417.94, 178,635,957.54 and 45,323,679.78 is: 67,970,235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,117,417.94 : 178,635,957.54 = 45,323,679.78 : x
  2. Step 2: Convert to fraction form
    119,117,417.94/178,635,957.54 = 45,323,679.78/x
  3. Step 3: Cross multiply
    119,117,417.94x = 178,635,957.54 × 45,323,679.78
  4. Step 4: Simplify right side
    119,117,417.94x = 8,096,438,936,736,636
  5. Step 5: Solve for x
    x = 8,096,438,936,736,636/119,117,417.94
  6. Step 6: Final answer
    x = 67,970,235.39

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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.