Home / 177,141,878.40-265,712,817.60-81,590,390.40

Finding the Fourth Proportional to 177,141,878.40, 265,712,817.60 and 81,590,390.40

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Solution

The fourth proportional to 177,141,878.40, 265,712,817.60 and 81,590,390.40 is: 122,385,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,141,878.40 : 265,712,817.60 = 81,590,390.40 : x
  2. Step 2: Convert to fraction form
    177,141,878.40/265,712,817.60 = 81,590,390.40/x
  3. Step 3: Cross multiply
    177,141,878.40x = 265,712,817.60 × 81,590,390.40
  4. Step 4: Simplify right side
    177,141,878.40x = 21,679,612,522,267,992
  5. Step 5: Solve for x
    x = 21,679,612,522,267,992/177,141,878.40
  6. Step 6: Final answer
    x = 122,385,585.60

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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.