Home / 236,259,430.75-326,038,020.83-130,412,868.06

Finding the Fourth Proportional to 236,259,430.75, 326,038,020.83 and 130,412,868.06

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Solution

The fourth proportional to 236,259,430.75, 326,038,020.83 and 130,412,868.06 is: 179,969,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,259,430.75 : 326,038,020.83 = 130,412,868.06 : x
  2. Step 2: Convert to fraction form
    236,259,430.75/326,038,020.83 = 130,412,868.06/x
  3. Step 3: Cross multiply
    236,259,430.75x = 326,038,020.83 × 130,412,868.06
  4. Step 4: Simplify right side
    236,259,430.75x = 42,519,553,391,902,592
  5. Step 5: Solve for x
    x = 42,519,553,391,902,592/236,259,430.75
  6. Step 6: Final answer
    x = 179,969,761.45

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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.