Home / 105,514,173.76-145,617,637.71-66,389,487.34

Finding the Fourth Proportional to 105,514,173.76, 145,617,637.71 and 66,389,487.34

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Solution

The fourth proportional to 105,514,173.76, 145,617,637.71 and 66,389,487.34 is: 91,622,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,514,173.76 : 145,617,637.71 = 66,389,487.34 : x
  2. Step 2: Convert to fraction form
    105,514,173.76/145,617,637.71 = 66,389,487.34/x
  3. Step 3: Cross multiply
    105,514,173.76x = 145,617,637.71 × 66,389,487.34
  4. Step 4: Simplify right side
    105,514,173.76x = 9,667,480,315,228,752
  5. Step 5: Solve for x
    x = 9,667,480,315,228,752/105,514,173.76
  6. Step 6: Final answer
    x = 91,622,575.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.