Home / 135,961,928,218.10-187,628,044,259.23-74,163,844,605.32

Finding the Fourth Proportional to 135,961,928,218.10, 187,628,044,259.23 and 74,163,844,605.32

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Solution

The fourth proportional to 135,961,928,218.10, 187,628,044,259.23 and 74,163,844,605.32 is: 102,346,423,740.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,961,928,218.10 : 187,628,044,259.23 = 74,163,844,605.32 : x
  2. Step 2: Convert to fraction form
    135,961,928,218.10/187,628,044,259.23 = 74,163,844,605.32/x
  3. Step 3: Cross multiply
    135,961,928,218.10x = 187,628,044,259.23 × 74,163,844,605.32
  4. Step 4: Simplify right side
    135,961,928,218.10x = 13,915,217,118,041,638,699,008
  5. Step 5: Solve for x
    x = 13,915,217,118,041,638,699,008/135,961,928,218.10
  6. Step 6: Final answer
    x = 102,346,423,740.92

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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.