Home / 84,693,074.40-127,039,611.60-84,055,345.20

Finding the Fourth Proportional to 84,693,074.40, 127,039,611.60 and 84,055,345.20

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Solution

The fourth proportional to 84,693,074.40, 127,039,611.60 and 84,055,345.20 is: 126,083,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,693,074.40 : 127,039,611.60 = 84,055,345.20 : x
  2. Step 2: Convert to fraction form
    84,693,074.40/127,039,611.60 = 84,055,345.20/x
  3. Step 3: Cross multiply
    84,693,074.40x = 127,039,611.60 × 84,055,345.20
  4. Step 4: Simplify right side
    84,693,074.40x = 10,678,358,407,111,924
  5. Step 5: Solve for x
    x = 10,678,358,407,111,924/84,693,074.40
  6. Step 6: Final answer
    x = 126,083,017.80

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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.