Home / 77,969,699.10-116,828,577.45-49,164,284.70

Finding the Fourth Proportional to 77,969,699.10, 116,828,577.45 and 49,164,284.70

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Solution

The fourth proportional to 77,969,699.10, 116,828,577.45 and 49,164,284.70 is: 73,666,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,969,699.10 : 116,828,577.45 = 49,164,284.70 : x
  2. Step 2: Convert to fraction form
    77,969,699.10/116,828,577.45 = 49,164,284.70/x
  3. Step 3: Cross multiply
    77,969,699.10x = 116,828,577.45 × 49,164,284.70
  4. Step 4: Simplify right side
    77,969,699.10x = 5,743,793,442,847,801
  5. Step 5: Solve for x
    x = 5,743,793,442,847,801/77,969,699.10
  6. Step 6: Final answer
    x = 73,666,995.12

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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.