Home / 86,320,650,594.27-128,848,729,570.88-76,130,523,182.35

Finding the Fourth Proportional to 86,320,650,594.27, 128,848,729,570.88 and 76,130,523,182.35

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Solution

The fourth proportional to 86,320,650,594.27, 128,848,729,570.88 and 76,130,523,182.35 is: 113,638,174,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,320,650,594.27 : 128,848,729,570.88 = 76,130,523,182.35 : x
  2. Step 2: Convert to fraction form
    86,320,650,594.27/128,848,729,570.88 = 76,130,523,182.35/x
  3. Step 3: Cross multiply
    86,320,650,594.27x = 128,848,729,570.88 × 76,130,523,182.35
  4. Step 4: Simplify right side
    86,320,650,594.27x = 9,809,321,193,612,484,018,176
  5. Step 5: Solve for x
    x = 9,809,321,193,612,484,018,176/86,320,650,594.27
  6. Step 6: Final answer
    x = 113,638,174,945.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.