Home / 175,133,959.20-262,700,938.80-72,864,007.20

Finding the Fourth Proportional to 175,133,959.20, 262,700,938.80 and 72,864,007.20

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Solution

The fourth proportional to 175,133,959.20, 262,700,938.80 and 72,864,007.20 is: 109,296,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,133,959.20 : 262,700,938.80 = 72,864,007.20 : x
  2. Step 2: Convert to fraction form
    175,133,959.20/262,700,938.80 = 72,864,007.20/x
  3. Step 3: Cross multiply
    175,133,959.20x = 262,700,938.80 × 72,864,007.20
  4. Step 4: Simplify right side
    175,133,959.20x = 19,141,443,096,169,960
  5. Step 5: Solve for x
    x = 19,141,443,096,169,960/175,133,959.20
  6. Step 6: Final answer
    x = 109,296,010.80

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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.