Home / 91,637,446.89-126,452,185.79-53,954,649.57

Finding the Fourth Proportional to 91,637,446.89, 126,452,185.79 and 53,954,649.57

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Solution

The fourth proportional to 91,637,446.89, 126,452,185.79 and 53,954,649.57 is: 74,453,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,637,446.89 : 126,452,185.79 = 53,954,649.57 : x
  2. Step 2: Convert to fraction form
    91,637,446.89/126,452,185.79 = 53,954,649.57/x
  3. Step 3: Cross multiply
    91,637,446.89x = 126,452,185.79 × 53,954,649.57
  4. Step 4: Simplify right side
    91,637,446.89x = 6,822,683,371,390,210
  5. Step 5: Solve for x
    x = 6,822,683,371,390,210/91,637,446.89
  6. Step 6: Final answer
    x = 74,453,005.87

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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.