Home / 277,416,900.40-382,835,315.52-153,665,549.12

Finding the Fourth Proportional to 277,416,900.40, 382,835,315.52 and 153,665,549.12

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Solution

The fourth proportional to 277,416,900.40, 382,835,315.52 and 153,665,549.12 is: 212,058,453.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,416,900.40 : 382,835,315.52 = 153,665,549.12 : x
  2. Step 2: Convert to fraction form
    277,416,900.40/382,835,315.52 = 153,665,549.12/x
  3. Step 3: Cross multiply
    277,416,900.40x = 382,835,315.52 × 153,665,549.12
  4. Step 4: Simplify right side
    277,416,900.40x = 58,828,598,981,909,256
  5. Step 5: Solve for x
    x = 58,828,598,981,909,256/277,416,900.40
  6. Step 6: Final answer
    x = 212,058,453.89

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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.