Home / 278,323,996.02-384,154,008.06-159,315,575.82

Finding the Fourth Proportional to 278,323,996.02, 384,154,008.06 and 159,315,575.82

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Solution

The fourth proportional to 278,323,996.02, 384,154,008.06 and 159,315,575.82 is: 219,893,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,323,996.02 : 384,154,008.06 = 159,315,575.82 : x
  2. Step 2: Convert to fraction form
    278,323,996.02/384,154,008.06 = 159,315,575.82/x
  3. Step 3: Cross multiply
    278,323,996.02x = 384,154,008.06 × 159,315,575.82
  4. Step 4: Simplify right side
    278,323,996.02x = 61,201,716,997,639,816
  5. Step 5: Solve for x
    x = 61,201,716,997,639,816/278,323,996.02
  6. Step 6: Final answer
    x = 219,893,785.20

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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.