Home / 57,104,737,575.23-78,806,427,751.49-31,384,929,145.30

Finding the Fourth Proportional to 57,104,737,575.23, 78,806,427,751.49 and 31,384,929,145.30

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Solution

The fourth proportional to 57,104,737,575.23, 78,806,427,751.49 and 31,384,929,145.30 is: 43,312,240,913.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,104,737,575.23 : 78,806,427,751.49 = 31,384,929,145.30 : x
  2. Step 2: Convert to fraction form
    57,104,737,575.23/78,806,427,751.49 = 31,384,929,145.30/x
  3. Step 3: Cross multiply
    57,104,737,575.23x = 78,806,427,751.49 × 31,384,929,145.30
  4. Step 4: Simplify right side
    57,104,737,575.23x = 2,473,334,151,174,653,739,008
  5. Step 5: Solve for x
    x = 2,473,334,151,174,653,739,008/57,104,737,575.23
  6. Step 6: Final answer
    x = 43,312,240,913.75

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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.