Home / 103,084,891.52-142,253,490.13-56,674,807.52

Finding the Fourth Proportional to 103,084,891.52, 142,253,490.13 and 56,674,807.52

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Solution

The fourth proportional to 103,084,891.52, 142,253,490.13 and 56,674,807.52 is: 78,209,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,084,891.52 : 142,253,490.13 = 56,674,807.52 : x
  2. Step 2: Convert to fraction form
    103,084,891.52/142,253,490.13 = 56,674,807.52/x
  3. Step 3: Cross multiply
    103,084,891.52x = 142,253,490.13 × 56,674,807.52
  4. Step 4: Simplify right side
    103,084,891.52x = 8,062,189,171,313,015
  5. Step 5: Solve for x
    x = 8,062,189,171,313,015/103,084,891.52
  6. Step 6: Final answer
    x = 78,209,222.06

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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.