Home / 272,285,128.32-375,755,875.20-148,526,355.84

Finding the Fourth Proportional to 272,285,128.32, 375,755,875.20 and 148,526,355.84

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Solution

The fourth proportional to 272,285,128.32, 375,755,875.20 and 148,526,355.84 is: 204,967,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,285,128.32 : 375,755,875.20 = 148,526,355.84 : x
  2. Step 2: Convert to fraction form
    272,285,128.32/375,755,875.20 = 148,526,355.84/x
  3. Step 3: Cross multiply
    272,285,128.32x = 375,755,875.20 × 148,526,355.84
  4. Step 4: Simplify right side
    272,285,128.32x = 55,809,650,828,925,832
  5. Step 5: Solve for x
    x = 55,809,650,828,925,832/272,285,128.32
  6. Step 6: Final answer
    x = 204,967,679.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.