Home / 197,384,812.84-272,411,398.02-113,755,879.72

Finding the Fourth Proportional to 197,384,812.84, 272,411,398.02 and 113,755,879.72

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Solution

The fourth proportional to 197,384,812.84, 272,411,398.02 and 113,755,879.72 is: 156,994,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,384,812.84 : 272,411,398.02 = 113,755,879.72 : x
  2. Step 2: Convert to fraction form
    197,384,812.84/272,411,398.02 = 113,755,879.72/x
  3. Step 3: Cross multiply
    197,384,812.84x = 272,411,398.02 × 113,755,879.72
  4. Step 4: Simplify right side
    197,384,812.84x = 30,988,398,227,520,164
  5. Step 5: Solve for x
    x = 30,988,398,227,520,164/197,384,812.84
  6. Step 6: Final answer
    x = 156,994,845.66

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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.