Home / 124,462,971.12-171,761,652-68,708,262.72

Finding the Fourth Proportional to 124,462,971.12, 171,761,652 and 68,708,262.72

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Solution

The fourth proportional to 124,462,971.12, 171,761,652 and 68,708,262.72 is: 94,818,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,462,971.12 : 171,761,652 = 68,708,262.72 : x
  2. Step 2: Convert to fraction form
    124,462,971.12/171,761,652 = 68,708,262.72/x
  3. Step 3: Cross multiply
    124,462,971.12x = 171,761,652 × 68,708,262.72
  4. Step 4: Simplify right side
    124,462,971.12x = 11,801,444,710,837,214
  5. Step 5: Solve for x
    x = 11,801,444,710,837,214/124,462,971.12
  6. Step 6: Final answer
    x = 94,818,921.68

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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.