Home / 55,142,834.50-75,956,970.52-42,067,393.02

Finding the Fourth Proportional to 55,142,834.50, 75,956,970.52 and 42,067,393.02

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Solution

The fourth proportional to 55,142,834.50, 75,956,970.52 and 42,067,393.02 is: 57,946,091.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,142,834.50 : 75,956,970.52 = 42,067,393.02 : x
  2. Step 2: Convert to fraction form
    55,142,834.50/75,956,970.52 = 42,067,393.02/x
  3. Step 3: Cross multiply
    55,142,834.50x = 75,956,970.52 × 42,067,393.02
  4. Step 4: Simplify right side
    55,142,834.50x = 3,195,311,731,473,394
  5. Step 5: Solve for x
    x = 3,195,311,731,473,394/55,142,834.50
  6. Step 6: Final answer
    x = 57,946,091.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.