Home / 156,780,021.60-235,170,032.40-54,544,059.23

Finding the Fourth Proportional to 156,780,021.60, 235,170,032.40 and 54,544,059.23

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Solution

The fourth proportional to 156,780,021.60, 235,170,032.40 and 54,544,059.23 is: 81,816,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,780,021.60 : 235,170,032.40 = 54,544,059.23 : x
  2. Step 2: Convert to fraction form
    156,780,021.60/235,170,032.40 = 54,544,059.23/x
  3. Step 3: Cross multiply
    156,780,021.60x = 235,170,032.40 × 54,544,059.23
  4. Step 4: Simplify right side
    156,780,021.60x = 12,827,128,175,170,770
  5. Step 5: Solve for x
    x = 12,827,128,175,170,770/156,780,021.60
  6. Step 6: Final answer
    x = 81,816,088.84

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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.