Home / 156,837,020.40-235,255,530.60-54,567,068.40

Finding the Fourth Proportional to 156,837,020.40, 235,255,530.60 and 54,567,068.40

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Solution

The fourth proportional to 156,837,020.40, 235,255,530.60 and 54,567,068.40 is: 81,850,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,837,020.40 : 235,255,530.60 = 54,567,068.40 : x
  2. Step 2: Convert to fraction form
    156,837,020.40/235,255,530.60 = 54,567,068.40/x
  3. Step 3: Cross multiply
    156,837,020.40x = 235,255,530.60 × 54,567,068.40
  4. Step 4: Simplify right side
    156,837,020.40x = 12,837,204,629,728,492
  5. Step 5: Solve for x
    x = 12,837,204,629,728,492/156,837,020.40
  6. Step 6: Final answer
    x = 81,850,602.60

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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.