Home / 119,065,763.76-164,308,663.80-66,855,211.44

Finding the Fourth Proportional to 119,065,763.76, 164,308,663.80 and 66,855,211.44

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Solution

The fourth proportional to 119,065,763.76, 164,308,663.80 and 66,855,211.44 is: 92,259,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,065,763.76 : 164,308,663.80 = 66,855,211.44 : x
  2. Step 2: Convert to fraction form
    119,065,763.76/164,308,663.80 = 66,855,211.44/x
  3. Step 3: Cross multiply
    119,065,763.76x = 164,308,663.80 × 66,855,211.44
  4. Step 4: Simplify right side
    119,065,763.76x = 10,984,890,459,772,874
  5. Step 5: Solve for x
    x = 10,984,890,459,772,874/119,065,763.76
  6. Step 6: Final answer
    x = 92,259,018.15

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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.