Home / 99,213,710.04-148,810,942.26-30,127,111.74

Finding the Fourth Proportional to 99,213,710.04, 148,810,942.26 and 30,127,111.74

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Solution

The fourth proportional to 99,213,710.04, 148,810,942.26 and 30,127,111.74 is: 45,187,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,213,710.04 : 148,810,942.26 = 30,127,111.74 : x
  2. Step 2: Convert to fraction form
    99,213,710.04/148,810,942.26 = 30,127,111.74/x
  3. Step 3: Cross multiply
    99,213,710.04x = 148,810,942.26 × 30,127,111.74
  4. Step 4: Simplify right side
    99,213,710.04x = 4,483,243,885,601,707.50
  5. Step 5: Solve for x
    x = 4,483,243,885,601,707.50/99,213,710.04
  6. Step 6: Final answer
    x = 45,187,745.56

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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.