Home / 61,979,641,941.60-92,969,462,912.40-20,060,745,031.80

Finding the Fourth Proportional to 61,979,641,941.60, 92,969,462,912.40 and 20,060,745,031.80

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Solution

The fourth proportional to 61,979,641,941.60, 92,969,462,912.40 and 20,060,745,031.80 is: 30,091,117,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,979,641,941.60 : 92,969,462,912.40 = 20,060,745,031.80 : x
  2. Step 2: Convert to fraction form
    61,979,641,941.60/92,969,462,912.40 = 20,060,745,031.80/x
  3. Step 3: Cross multiply
    61,979,641,941.60x = 92,969,462,912.40 × 20,060,745,031.80
  4. Step 4: Simplify right side
    61,979,641,941.60x = 1,865,036,691,229,042,540,544
  5. Step 5: Solve for x
    x = 1,865,036,691,229,042,540,544/61,979,641,941.60
  6. Step 6: Final answer
    x = 30,091,117,547.70

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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.