Home / 84,265,407.79-126,398,111.70-23,681,133.79

Finding the Fourth Proportional to 84,265,407.79, 126,398,111.70 and 23,681,133.79

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Solution

The fourth proportional to 84,265,407.79, 126,398,111.70 and 23,681,133.79 is: 35,521,700.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,265,407.79 : 126,398,111.70 = 23,681,133.79 : x
  2. Step 2: Convert to fraction form
    84,265,407.79/126,398,111.70 = 23,681,133.79/x
  3. Step 3: Cross multiply
    84,265,407.79x = 126,398,111.70 × 23,681,133.79
  4. Step 4: Simplify right side
    84,265,407.79x = 2,993,250,593,971,064.50
  5. Step 5: Solve for x
    x = 2,993,250,593,971,064.50/84,265,407.79
  6. Step 6: Final answer
    x = 35,521,700.69

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Double scale
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Similar ratio
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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.