Home / 92,757,663.44-128,055,272.08-71,518,051.60

Finding the Fourth Proportional to 92,757,663.44, 128,055,272.08 and 71,518,051.60

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Solution

The fourth proportional to 92,757,663.44, 128,055,272.08 and 71,518,051.60 is: 98,733,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,757,663.44 : 128,055,272.08 = 71,518,051.60 : x
  2. Step 2: Convert to fraction form
    92,757,663.44/128,055,272.08 = 71,518,051.60/x
  3. Step 3: Cross multiply
    92,757,663.44x = 128,055,272.08 × 71,518,051.60
  4. Step 4: Simplify right side
    92,757,663.44x = 9,158,263,556,269,478
  5. Step 5: Solve for x
    x = 9,158,263,556,269,478/92,757,663.44
  6. Step 6: Final answer
    x = 98,733,228.25

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1.5x scale

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.