Home / 156,836,999.40-235,255,499.10-54,567,047.40

Finding the Fourth Proportional to 156,836,999.40, 235,255,499.10 and 54,567,047.40

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Solution

The fourth proportional to 156,836,999.40, 235,255,499.10 and 54,567,047.40 is: 81,850,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,836,999.40 : 235,255,499.10 = 54,567,047.40 : x
  2. Step 2: Convert to fraction form
    156,836,999.40/235,255,499.10 = 54,567,047.40/x
  3. Step 3: Cross multiply
    156,836,999.40x = 235,255,499.10 × 54,567,047.40
  4. Step 4: Simplify right side
    156,836,999.40x = 12,837,197,970,500,356
  5. Step 5: Solve for x
    x = 12,837,197,970,500,356/156,836,999.40
  6. Step 6: Final answer
    x = 81,850,571.10

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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.