Home / 186,516,002.80-279,774,004.20-105,894,434.80

Finding the Fourth Proportional to 186,516,002.80, 279,774,004.20 and 105,894,434.80

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Solution

The fourth proportional to 186,516,002.80, 279,774,004.20 and 105,894,434.80 is: 158,841,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,516,002.80 : 279,774,004.20 = 105,894,434.80 : x
  2. Step 2: Convert to fraction form
    186,516,002.80/279,774,004.20 = 105,894,434.80/x
  3. Step 3: Cross multiply
    186,516,002.80x = 279,774,004.20 × 105,894,434.80
  4. Step 4: Simplify right side
    186,516,002.80x = 29,626,510,046,491,824
  5. Step 5: Solve for x
    x = 29,626,510,046,491,824/186,516,002.80
  6. Step 6: Final answer
    x = 158,841,652.20

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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.