Home / 57,102,547.48-78,801,615.14-30,997,083

Finding the Fourth Proportional to 57,102,547.48, 78,801,615.14 and 30,997,083

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Solution

The fourth proportional to 57,102,547.48, 78,801,615.14 and 30,997,083 is: 42,776,028.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102,547.48 : 78,801,615.14 = 30,997,083 : x
  2. Step 2: Convert to fraction form
    57,102,547.48/78,801,615.14 = 30,997,083/x
  3. Step 3: Cross multiply
    57,102,547.48x = 78,801,615.14 × 30,997,083
  4. Step 4: Simplify right side
    57,102,547.48x = 2,442,620,205,028,636.50
  5. Step 5: Solve for x
    x = 2,442,620,205,028,636.50/57,102,547.48
  6. Step 6: Final answer
    x = 42,776,028.62

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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.