Home / 37,687,443,948.18-52,008,515,488.80-20,771,051,130

Finding the Fourth Proportional to 37,687,443,948.18, 52,008,515,488.80 and 20,771,051,130

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Solution

The fourth proportional to 37,687,443,948.18, 52,008,515,488.80 and 20,771,051,130 is: 28,663,963,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,687,443,948.18 : 52,008,515,488.80 = 20,771,051,130 : x
  2. Step 2: Convert to fraction form
    37,687,443,948.18/52,008,515,488.80 = 20,771,051,130/x
  3. Step 3: Cross multiply
    37,687,443,948.18x = 52,008,515,488.80 × 20,771,051,130
  4. Step 4: Simplify right side
    37,687,443,948.18x = 1,080,271,534,413,261,832,192
  5. Step 5: Solve for x
    x = 1,080,271,534,413,261,832,192/37,687,443,948.18
  6. Step 6: Final answer
    x = 28,663,963,942.44

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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.