Home / 82,891,101.60-124,378,577.28-55,243,884.16

Finding the Fourth Proportional to 82,891,101.60, 124,378,577.28 and 55,243,884.16

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Solution

The fourth proportional to 82,891,101.60, 124,378,577.28 and 55,243,884.16 is: 82,893,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,891,101.60 : 124,378,577.28 = 55,243,884.16 : x
  2. Step 2: Convert to fraction form
    82,891,101.60/124,378,577.28 = 55,243,884.16/x
  3. Step 3: Cross multiply
    82,891,101.60x = 124,378,577.28 × 55,243,884.16
  4. Step 4: Simplify right side
    82,891,101.60x = 6,871,155,715,241,928
  5. Step 5: Solve for x
    x = 6,871,155,715,241,928/82,891,101.60
  6. Step 6: Final answer
    x = 82,893,767.64

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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.