Home / 157,522,116.60-235,905,261.30-76,648,606.20

Finding the Fourth Proportional to 157,522,116.60, 235,905,261.30 and 76,648,606.20

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Solution

The fourth proportional to 157,522,116.60, 235,905,261.30 and 76,648,606.20 is: 114,789,020.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,522,116.60 : 235,905,261.30 = 76,648,606.20 : x
  2. Step 2: Convert to fraction form
    157,522,116.60/235,905,261.30 = 76,648,606.20/x
  3. Step 3: Cross multiply
    157,522,116.60x = 235,905,261.30 × 76,648,606.20
  4. Step 4: Simplify right side
    157,522,116.60x = 18,081,809,473,891,800
  5. Step 5: Solve for x
    x = 18,081,809,473,891,800/157,522,116.60
  6. Step 6: Final answer
    x = 114,789,020.51

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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.