Home / 187,470,665.60-281,205,998.40-66,302,117.60

Finding the Fourth Proportional to 187,470,665.60, 281,205,998.40 and 66,302,117.60

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Solution

The fourth proportional to 187,470,665.60, 281,205,998.40 and 66,302,117.60 is: 99,453,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,470,665.60 : 281,205,998.40 = 66,302,117.60 : x
  2. Step 2: Convert to fraction form
    187,470,665.60/281,205,998.40 = 66,302,117.60/x
  3. Step 3: Cross multiply
    187,470,665.60x = 281,205,998.40 × 66,302,117.60
  4. Step 4: Simplify right side
    187,470,665.60x = 18,644,553,175,742,212
  5. Step 5: Solve for x
    x = 18,644,553,175,742,212/187,470,665.60
  6. Step 6: Final answer
    x = 99,453,176.40

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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.