Home / 270,490,574-405,801,897.06-86,258,055.26

Finding the Fourth Proportional to 270,490,574, 405,801,897.06 and 86,258,055.26

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Solution

The fourth proportional to 270,490,574, 405,801,897.06 and 86,258,055.26 is: 129,408,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,490,574 : 405,801,897.06 = 86,258,055.26 : x
  2. Step 2: Convert to fraction form
    270,490,574/405,801,897.06 = 86,258,055.26/x
  3. Step 3: Cross multiply
    270,490,574x = 405,801,897.06 × 86,258,055.26
  4. Step 4: Simplify right side
    270,490,574x = 35,003,682,461,214,312
  5. Step 5: Solve for x
    x = 35,003,682,461,214,312/270,490,574
  6. Step 6: Final answer
    x = 129,408,141.45

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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.