Home / 156,780,030.10-235,170,045.15-54,544,067.73

Finding the Fourth Proportional to 156,780,030.10, 235,170,045.15 and 54,544,067.73

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Solution

The fourth proportional to 156,780,030.10, 235,170,045.15 and 54,544,067.73 is: 81,816,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,780,030.10 : 235,170,045.15 = 54,544,067.73 : x
  2. Step 2: Convert to fraction form
    156,780,030.10/235,170,045.15 = 54,544,067.73/x
  3. Step 3: Cross multiply
    156,780,030.10x = 235,170,045.15 × 54,544,067.73
  4. Step 4: Simplify right side
    156,780,030.10x = 12,827,130,870,728,758
  5. Step 5: Solve for x
    x = 12,827,130,870,728,758/156,780,030.10
  6. Step 6: Final answer
    x = 81,816,101.60

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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.