Home / 82,678,118.28-114,094,897.79-45,507,603.84

Finding the Fourth Proportional to 82,678,118.28, 114,094,897.79 and 45,507,603.84

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Solution

The fourth proportional to 82,678,118.28, 114,094,897.79 and 45,507,603.84 is: 62,799,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,678,118.28 : 114,094,897.79 = 45,507,603.84 : x
  2. Step 2: Convert to fraction form
    82,678,118.28/114,094,897.79 = 45,507,603.84/x
  3. Step 3: Cross multiply
    82,678,118.28x = 114,094,897.79 × 45,507,603.84
  4. Step 4: Simplify right side
    82,678,118.28x = 5,192,185,408,335,906
  5. Step 5: Solve for x
    x = 5,192,185,408,335,906/82,678,118.28
  6. Step 6: Final answer
    x = 62,799,994.93

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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.