Home / 55,142,835.50-75,956,971.90-42,067,394.02

Finding the Fourth Proportional to 55,142,835.50, 75,956,971.90 and 42,067,394.02

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Solution

The fourth proportional to 55,142,835.50, 75,956,971.90 and 42,067,394.02 is: 57,946,092.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,142,835.50 : 75,956,971.90 = 42,067,394.02 : x
  2. Step 2: Convert to fraction form
    55,142,835.50/75,956,971.90 = 42,067,394.02/x
  3. Step 3: Cross multiply
    55,142,835.50x = 75,956,971.90 × 42,067,394.02
  4. Step 4: Simplify right side
    55,142,835.50x = 3,195,311,865,483,368.50
  5. Step 5: Solve for x
    x = 3,195,311,865,483,368.50/55,142,835.50
  6. Step 6: Final answer
    x = 57,946,092.84

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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.