Home / 190,542,708.39-262,851,987.28-124,501,814.31

Finding the Fourth Proportional to 190,542,708.39, 262,851,987.28 and 124,501,814.31

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Solution

The fourth proportional to 190,542,708.39, 262,851,987.28 and 124,501,814.31 is: 171,749,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,542,708.39 : 262,851,987.28 = 124,501,814.31 : x
  2. Step 2: Convert to fraction form
    190,542,708.39/262,851,987.28 = 124,501,814.31/x
  3. Step 3: Cross multiply
    190,542,708.39x = 262,851,987.28 × 124,501,814.31
  4. Step 4: Simplify right side
    190,542,708.39x = 32,725,549,311,349,044
  5. Step 5: Solve for x
    x = 32,725,549,311,349,044/190,542,708.39
  6. Step 6: Final answer
    x = 171,749,155.81

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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.