Home / 186,791,713.20-279,431,742.60-164,116,897.20

Finding the Fourth Proportional to 186,791,713.20, 279,431,742.60 and 164,116,897.20

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Solution

The fourth proportional to 186,791,713.20, 279,431,742.60 and 164,116,897.20 is: 245,511,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,791,713.20 : 279,431,742.60 = 164,116,897.20 : x
  2. Step 2: Convert to fraction form
    186,791,713.20/279,431,742.60 = 164,116,897.20/x
  3. Step 3: Cross multiply
    186,791,713.20x = 279,431,742.60 × 164,116,897.20
  4. Step 4: Simplify right side
    186,791,713.20x = 45,859,470,574,701,064
  5. Step 5: Solve for x
    x = 45,859,470,574,701,064/186,791,713.20
  6. Step 6: Final answer
    x = 245,511,269.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.