Home / 72,146,370.83-99,559,323.87-39,105,910.45

Finding the Fourth Proportional to 72,146,370.83, 99,559,323.87 and 39,105,910.45

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Solution

The fourth proportional to 72,146,370.83, 99,559,323.87 and 39,105,910.45 is: 53,964,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,146,370.83 : 99,559,323.87 = 39,105,910.45 : x
  2. Step 2: Convert to fraction form
    72,146,370.83/99,559,323.87 = 39,105,910.45/x
  3. Step 3: Cross multiply
    72,146,370.83x = 99,559,323.87 × 39,105,910.45
  4. Step 4: Simplify right side
    72,146,370.83x = 3,893,358,003,224,971
  5. Step 5: Solve for x
    x = 3,893,358,003,224,971/72,146,370.83
  6. Step 6: Final answer
    x = 53,964,710.33

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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.