Home / 156,829,720.80-235,244,581.20-105,173,655.60

Finding the Fourth Proportional to 156,829,720.80, 235,244,581.20 and 105,173,655.60

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Solution

The fourth proportional to 156,829,720.80, 235,244,581.20 and 105,173,655.60 is: 157,760,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,829,720.80 : 235,244,581.20 = 105,173,655.60 : x
  2. Step 2: Convert to fraction form
    156,829,720.80/235,244,581.20 = 105,173,655.60/x
  3. Step 3: Cross multiply
    156,829,720.80x = 235,244,581.20 × 105,173,655.60
  4. Step 4: Simplify right side
    156,829,720.80x = 24,741,532,564,895,032
  5. Step 5: Solve for x
    x = 24,741,532,564,895,032/156,829,720.80
  6. Step 6: Final answer
    x = 157,760,483.40

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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.