Home / 77,533,773.12-106,997,309.76-42,727,710.72

Finding the Fourth Proportional to 77,533,773.12, 106,997,309.76 and 42,727,710.72

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Solution

The fourth proportional to 77,533,773.12, 106,997,309.76 and 42,727,710.72 is: 58,964,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,533,773.12 : 106,997,309.76 = 42,727,710.72 : x
  2. Step 2: Convert to fraction form
    77,533,773.12/106,997,309.76 = 42,727,710.72/x
  3. Step 3: Cross multiply
    77,533,773.12x = 106,997,309.76 × 42,727,710.72
  4. Step 4: Simplify right side
    77,533,773.12x = 4,571,750,099,243,513
  5. Step 5: Solve for x
    x = 4,571,750,099,243,513/77,533,773.12
  6. Step 6: Final answer
    x = 58,964,628.13

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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.