Home / 156,616,909.20-234,925,363.80-54,370,285.20

Finding the Fourth Proportional to 156,616,909.20, 234,925,363.80 and 54,370,285.20

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Solution

The fourth proportional to 156,616,909.20, 234,925,363.80 and 54,370,285.20 is: 81,555,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,616,909.20 : 234,925,363.80 = 54,370,285.20 : x
  2. Step 2: Convert to fraction form
    156,616,909.20/234,925,363.80 = 54,370,285.20/x
  3. Step 3: Cross multiply
    156,616,909.20x = 234,925,363.80 × 54,370,285.20
  4. Step 4: Simplify right side
    156,616,909.20x = 12,772,959,030,519,758
  5. Step 5: Solve for x
    x = 12,772,959,030,519,758/156,616,909.20
  6. Step 6: Final answer
    x = 81,555,427.80

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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.