Home / 72,372,999.52-99,875,510.94-39,333,250.60

Finding the Fourth Proportional to 72,372,999.52, 99,875,510.94 and 39,333,250.60

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Solution

The fourth proportional to 72,372,999.52, 99,875,510.94 and 39,333,250.60 is: 54,280,305.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,372,999.52 : 99,875,510.94 = 39,333,250.60 : x
  2. Step 2: Convert to fraction form
    72,372,999.52/99,875,510.94 = 39,333,250.60/x
  3. Step 3: Cross multiply
    72,372,999.52x = 99,875,510.94 × 39,333,250.60
  4. Step 4: Simplify right side
    72,372,999.52x = 3,928,428,500,606,061.50
  5. Step 5: Solve for x
    x = 3,928,428,500,606,061.50/72,372,999.52
  6. Step 6: Final answer
    x = 54,280,305.18

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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.