Home / 135,448,248.07-186,915,403.03-79,697,279.51

Finding the Fourth Proportional to 135,448,248.07, 186,915,403.03 and 79,697,279.51

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Solution

The fourth proportional to 135,448,248.07, 186,915,403.03 and 79,697,279.51 is: 109,980,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,448,248.07 : 186,915,403.03 = 79,697,279.51 : x
  2. Step 2: Convert to fraction form
    135,448,248.07/186,915,403.03 = 79,697,279.51/x
  3. Step 3: Cross multiply
    135,448,248.07x = 186,915,403.03 × 79,697,279.51
  4. Step 4: Simplify right side
    135,448,248.07x = 14,896,649,120,006,212
  5. Step 5: Solve for x
    x = 14,896,649,120,006,212/135,448,248.07
  6. Step 6: Final answer
    x = 109,980,375.03

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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.