Home / 31,866,773,326.31-43,980,003,406.84-18,136,904,804

Finding the Fourth Proportional to 31,866,773,326.31, 43,980,003,406.84 and 18,136,904,804

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Solution

The fourth proportional to 31,866,773,326.31, 43,980,003,406.84 and 18,136,904,804 is: 25,031,123,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866,773,326.31 : 43,980,003,406.84 = 18,136,904,804 : x
  2. Step 2: Convert to fraction form
    31,866,773,326.31/43,980,003,406.84 = 18,136,904,804/x
  3. Step 3: Cross multiply
    31,866,773,326.31x = 43,980,003,406.84 × 18,136,904,804
  4. Step 4: Simplify right side
    31,866,773,326.31x = 797,661,135,069,452,697,600
  5. Step 5: Solve for x
    x = 797,661,135,069,452,697,600/31,866,773,326.31
  6. Step 6: Final answer
    x = 25,031,123,386.78

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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.