Home / 156,835,314.90-235,252,972.35-54,565,362.90

Finding the Fourth Proportional to 156,835,314.90, 235,252,972.35 and 54,565,362.90

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Solution

The fourth proportional to 156,835,314.90, 235,252,972.35 and 54,565,362.90 is: 81,848,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,835,314.90 : 235,252,972.35 = 54,565,362.90 : x
  2. Step 2: Convert to fraction form
    156,835,314.90/235,252,972.35 = 54,565,362.90/x
  3. Step 3: Cross multiply
    156,835,314.90x = 235,252,972.35 × 54,565,362.90
  4. Step 4: Simplify right side
    156,835,314.90x = 12,836,663,809,581,416
  5. Step 5: Solve for x
    x = 12,836,663,809,581,416/156,835,314.90
  6. Step 6: Final answer
    x = 81,848,044.35

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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.