Home / 135,351,755.07-186,780,041.16-76,626,601.93

Finding the Fourth Proportional to 135,351,755.07, 186,780,041.16 and 76,626,601.93

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Solution

The fourth proportional to 135,351,755.07, 186,780,041.16 and 76,626,601.93 is: 105,741,664.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,351,755.07 : 186,780,041.16 = 76,626,601.93 : x
  2. Step 2: Convert to fraction form
    135,351,755.07/186,780,041.16 = 76,626,601.93/x
  3. Step 3: Cross multiply
    135,351,755.07x = 186,780,041.16 × 76,626,601.93
  4. Step 4: Simplify right side
    135,351,755.07x = 14,312,319,862,598,548
  5. Step 5: Solve for x
    x = 14,312,319,862,598,548/135,351,755.07
  6. Step 6: Final answer
    x = 105,741,664.41

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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.