Home / 107,384,673.27-148,186,677.56-65,638,635.68

Finding the Fourth Proportional to 107,384,673.27, 148,186,677.56 and 65,638,635.68

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Solution

The fourth proportional to 107,384,673.27, 148,186,677.56 and 65,638,635.68 is: 90,578,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,384,673.27 : 148,186,677.56 = 65,638,635.68 : x
  2. Step 2: Convert to fraction form
    107,384,673.27/148,186,677.56 = 65,638,635.68/x
  3. Step 3: Cross multiply
    107,384,673.27x = 148,186,677.56 × 65,638,635.68
  4. Step 4: Simplify right side
    107,384,673.27x = 9,726,771,340,199,196
  5. Step 5: Solve for x
    x = 9,726,771,340,199,196/107,384,673.27
  6. Step 6: Final answer
    x = 90,578,767.38

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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.