Home / 177,756,518.78-245,304,356-99,441,380.15

Finding the Fourth Proportional to 177,756,518.78, 245,304,356 and 99,441,380.15

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Solution

The fourth proportional to 177,756,518.78, 245,304,356 and 99,441,380.15 is: 137,229,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,756,518.78 : 245,304,356 = 99,441,380.15 : x
  2. Step 2: Convert to fraction form
    177,756,518.78/245,304,356 = 99,441,380.15/x
  3. Step 3: Cross multiply
    177,756,518.78x = 245,304,356 × 99,441,380.15
  4. Step 4: Simplify right side
    177,756,518.78x = 24,393,403,717,446,936
  5. Step 5: Solve for x
    x = 24,393,403,717,446,936/177,756,518.78
  6. Step 6: Final answer
    x = 137,229,306.05

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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.