Home / 256,018,139.47-353,267,026.22-155,494,265.93

Finding the Fourth Proportional to 256,018,139.47, 353,267,026.22 and 155,494,265.93

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Solution

The fourth proportional to 256,018,139.47, 353,267,026.22 and 155,494,265.93 is: 214,559,003.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,018,139.47 : 353,267,026.22 = 155,494,265.93 : x
  2. Step 2: Convert to fraction form
    256,018,139.47/353,267,026.22 = 155,494,265.93/x
  3. Step 3: Cross multiply
    256,018,139.47x = 353,267,026.22 × 155,494,265.93
  4. Step 4: Simplify right side
    256,018,139.47x = 54,930,996,919,352,968
  5. Step 5: Solve for x
    x = 54,930,996,919,352,968/256,018,139.47
  6. Step 6: Final answer
    x = 214,559,003.64

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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.