Home / 45,139,791.76-62,311,981.59-30,475,321.16

Finding the Fourth Proportional to 45,139,791.76, 62,311,981.59 and 30,475,321.16

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Solution

The fourth proportional to 45,139,791.76, 62,311,981.59 and 30,475,321.16 is: 42,068,817.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,139,791.76 : 62,311,981.59 = 30,475,321.16 : x
  2. Step 2: Convert to fraction form
    45,139,791.76/62,311,981.59 = 30,475,321.16/x
  3. Step 3: Cross multiply
    45,139,791.76x = 62,311,981.59 × 30,475,321.16
  4. Step 4: Simplify right side
    45,139,791.76x = 1,898,977,650,759,697.75
  5. Step 5: Solve for x
    x = 1,898,977,650,759,697.75/45,139,791.76
  6. Step 6: Final answer
    x = 42,068,817.26

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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.