Home / 277,416,900.90-382,835,316.21-153,665,549.62

Finding the Fourth Proportional to 277,416,900.90, 382,835,316.21 and 153,665,549.62

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Solution

The fourth proportional to 277,416,900.90, 382,835,316.21 and 153,665,549.62 is: 212,058,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,416,900.90 : 382,835,316.21 = 153,665,549.62 : x
  2. Step 2: Convert to fraction form
    277,416,900.90/382,835,316.21 = 153,665,549.62/x
  3. Step 3: Cross multiply
    277,416,900.90x = 382,835,316.21 × 153,665,549.62
  4. Step 4: Simplify right side
    277,416,900.90x = 58,828,599,279,356,144
  5. Step 5: Solve for x
    x = 58,828,599,279,356,144/277,416,900.90
  6. Step 6: Final answer
    x = 212,058,454.58

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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.