Home / 127,487,787,357.80-191,231,681,036.70-52,919,387,460.20

Finding the Fourth Proportional to 127,487,787,357.80, 191,231,681,036.70 and 52,919,387,460.20

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Solution

The fourth proportional to 127,487,787,357.80, 191,231,681,036.70 and 52,919,387,460.20 is: 79,379,081,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,487,787,357.80 : 191,231,681,036.70 = 52,919,387,460.20 : x
  2. Step 2: Convert to fraction form
    127,487,787,357.80/191,231,681,036.70 = 52,919,387,460.20/x
  3. Step 3: Cross multiply
    127,487,787,357.80x = 191,231,681,036.70 × 52,919,387,460.20
  4. Step 4: Simplify right side
    127,487,787,357.80x = 10,119,863,423,446,508,634,112
  5. Step 5: Solve for x
    x = 10,119,863,423,446,508,634,112/127,487,787,357.80
  6. Step 6: Final answer
    x = 79,379,081,190.30

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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.