Home / 72,439,930.86-99,934,127.64-43,054,562.94

Finding the Fourth Proportional to 72,439,930.86, 99,934,127.64 and 43,054,562.94

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Solution

The fourth proportional to 72,439,930.86, 99,934,127.64 and 43,054,562.94 is: 59,395,697.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,439,930.86 : 99,934,127.64 = 43,054,562.94 : x
  2. Step 2: Convert to fraction form
    72,439,930.86/99,934,127.64 = 43,054,562.94/x
  3. Step 3: Cross multiply
    72,439,930.86x = 99,934,127.64 × 43,054,562.94
  4. Step 4: Simplify right side
    72,439,930.86x = 4,302,620,188,330,373.50
  5. Step 5: Solve for x
    x = 4,302,620,188,330,373.50/72,439,930.86
  6. Step 6: Final answer
    x = 59,395,697.06

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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.