Home / 288,072,789.54-432,127,752.18-101,303,820.60

Finding the Fourth Proportional to 288,072,789.54, 432,127,752.18 and 101,303,820.60

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Solution

The fourth proportional to 288,072,789.54, 432,127,752.18 and 101,303,820.60 is: 151,962,260.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,072,789.54 : 432,127,752.18 = 101,303,820.60 : x
  2. Step 2: Convert to fraction form
    288,072,789.54/432,127,752.18 = 101,303,820.60/x
  3. Step 3: Cross multiply
    288,072,789.54x = 432,127,752.18 × 101,303,820.60
  4. Step 4: Simplify right side
    288,072,789.54x = 43,776,192,283,123,976
  5. Step 5: Solve for x
    x = 43,776,192,283,123,976/288,072,789.54
  6. Step 6: Final answer
    x = 151,962,260.49

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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.