Home / 112,334,446.80-168,501,670.20-91,927,112.40

Finding the Fourth Proportional to 112,334,446.80, 168,501,670.20 and 91,927,112.40

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Solution

The fourth proportional to 112,334,446.80, 168,501,670.20 and 91,927,112.40 is: 137,890,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334,446.80 : 168,501,670.20 = 91,927,112.40 : x
  2. Step 2: Convert to fraction form
    112,334,446.80/168,501,670.20 = 91,927,112.40/x
  3. Step 3: Cross multiply
    112,334,446.80x = 168,501,670.20 × 91,927,112.40
  4. Step 4: Simplify right side
    112,334,446.80x = 15,489,871,976,063,130
  5. Step 5: Solve for x
    x = 15,489,871,976,063,130/112,334,446.80
  6. Step 6: Final answer
    x = 137,890,668.60

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1.5x scale

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.