Home / 338,265,455.94-507,399,129.81-105,130,258.26

Finding the Fourth Proportional to 338,265,455.94, 507,399,129.81 and 105,130,258.26

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Solution

The fourth proportional to 338,265,455.94, 507,399,129.81 and 105,130,258.26 is: 157,695,681.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,265,455.94 : 507,399,129.81 = 105,130,258.26 : x
  2. Step 2: Convert to fraction form
    338,265,455.94/507,399,129.81 = 105,130,258.26/x
  3. Step 3: Cross multiply
    338,265,455.94x = 507,399,129.81 × 105,130,258.26
  4. Step 4: Simplify right side
    338,265,455.94x = 53,343,001,557,824,568
  5. Step 5: Solve for x
    x = 53,343,001,557,824,568/338,265,455.94
  6. Step 6: Final answer
    x = 157,695,681.37

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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.