Home / 77,533,007.83-106,994,165.13-42,251,119.45

Finding the Fourth Proportional to 77,533,007.83, 106,994,165.13 and 42,251,119.45

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Solution

The fourth proportional to 77,533,007.83, 106,994,165.13 and 42,251,119.45 is: 58,305,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,533,007.83 : 106,994,165.13 = 42,251,119.45 : x
  2. Step 2: Convert to fraction form
    77,533,007.83/106,994,165.13 = 42,251,119.45/x
  3. Step 3: Cross multiply
    77,533,007.83x = 106,994,165.13 × 42,251,119.45
  4. Step 4: Simplify right side
    77,533,007.83x = 4,520,623,251,360,655
  5. Step 5: Solve for x
    x = 4,520,623,251,360,655/77,533,007.83
  6. Step 6: Final answer
    x = 58,305,789.73

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1.5x scale

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.