Home / 281,731,420.28-388,731,139.98-162,651,949.02

Finding the Fourth Proportional to 281,731,420.28, 388,731,139.98 and 162,651,949.02

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Solution

The fourth proportional to 281,731,420.28, 388,731,139.98 and 162,651,949.02 is: 224,426,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,731,420.28 : 388,731,139.98 = 162,651,949.02 : x
  2. Step 2: Convert to fraction form
    281,731,420.28/388,731,139.98 = 162,651,949.02/x
  3. Step 3: Cross multiply
    281,731,420.28x = 388,731,139.98 × 162,651,949.02
  4. Step 4: Simplify right side
    281,731,420.28x = 63,227,877,562,513,448
  5. Step 5: Solve for x
    x = 63,227,877,562,513,448/281,731,420.28
  6. Step 6: Final answer
    x = 224,426,077.50

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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.