Home / 282,123,003.60-423,184,505.40-171,636,419.70

Finding the Fourth Proportional to 282,123,003.60, 423,184,505.40 and 171,636,419.70

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Solution

The fourth proportional to 282,123,003.60, 423,184,505.40 and 171,636,419.70 is: 257,454,629.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,123,003.60 : 423,184,505.40 = 171,636,419.70 : x
  2. Step 2: Convert to fraction form
    282,123,003.60/423,184,505.40 = 171,636,419.70/x
  3. Step 3: Cross multiply
    282,123,003.60x = 423,184,505.40 × 171,636,419.70
  4. Step 4: Simplify right side
    282,123,003.60x = 72,633,873,379,371,312
  5. Step 5: Solve for x
    x = 72,633,873,379,371,312/282,123,003.60
  6. Step 6: Final answer
    x = 257,454,629.55

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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.