Home / 127,681,561.43-191,549,271.42-41,413,268.78

Finding the Fourth Proportional to 127,681,561.43, 191,549,271.42 and 41,413,268.78

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Solution

The fourth proportional to 127,681,561.43, 191,549,271.42 and 41,413,268.78 is: 62,128,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,681,561.43 : 191,549,271.42 = 41,413,268.78 : x
  2. Step 2: Convert to fraction form
    127,681,561.43/191,549,271.42 = 41,413,268.78/x
  3. Step 3: Cross multiply
    127,681,561.43x = 191,549,271.42 × 41,413,268.78
  4. Step 4: Simplify right side
    127,681,561.43x = 7,932,681,461,929,632
  5. Step 5: Solve for x
    x = 7,932,681,461,929,632/127,681,561.43
  6. Step 6: Final answer
    x = 62,128,637.63

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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.