Home / 156,837,125.40-235,255,688.10-54,567,173.40

Finding the Fourth Proportional to 156,837,125.40, 235,255,688.10 and 54,567,173.40

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Solution

The fourth proportional to 156,837,125.40, 235,255,688.10 and 54,567,173.40 is: 81,850,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,837,125.40 : 235,255,688.10 = 54,567,173.40 : x
  2. Step 2: Convert to fraction form
    156,837,125.40/235,255,688.10 = 54,567,173.40/x
  3. Step 3: Cross multiply
    156,837,125.40x = 235,255,688.10 × 54,567,173.40
  4. Step 4: Simplify right side
    156,837,125.40x = 12,837,237,925,889,016
  5. Step 5: Solve for x
    x = 12,837,237,925,889,016/156,837,125.40
  6. Step 6: Final answer
    x = 81,850,760.10

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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.