Home / 119,460,068.97-164,863,180.67-72,419,125.21

Finding the Fourth Proportional to 119,460,068.97, 164,863,180.67 and 72,419,125.21

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Solution

The fourth proportional to 119,460,068.97, 164,863,180.67 and 72,419,125.21 is: 99,943,415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,460,068.97 : 164,863,180.67 = 72,419,125.21 : x
  2. Step 2: Convert to fraction form
    119,460,068.97/164,863,180.67 = 72,419,125.21/x
  3. Step 3: Cross multiply
    119,460,068.97x = 164,863,180.67 × 72,419,125.21
  4. Step 4: Simplify right side
    119,460,068.97x = 11,939,247,323,459,580
  5. Step 5: Solve for x
    x = 11,939,247,323,459,580/119,460,068.97
  6. Step 6: Final answer
    x = 99,943,415.62

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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.