Home / 156,783,014.80-235,159,315.80-47,609,130.64

Finding the Fourth Proportional to 156,783,014.80, 235,159,315.80 and 47,609,130.64

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Solution

The fourth proportional to 156,783,014.80, 235,159,315.80 and 47,609,130.64 is: 71,409,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,783,014.80 : 235,159,315.80 = 47,609,130.64 : x
  2. Step 2: Convert to fraction form
    156,783,014.80/235,159,315.80 = 47,609,130.64/x
  3. Step 3: Cross multiply
    156,783,014.80x = 235,159,315.80 × 47,609,130.64
  4. Step 4: Simplify right side
    156,783,014.80x = 11,195,730,587,135,216
  5. Step 5: Solve for x
    x = 11,195,730,587,135,216/156,783,014.80
  6. Step 6: Final answer
    x = 71,409,078.35

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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.