Home / 69,321,553.16-95,666,730.04-38,381,720.72

Finding the Fourth Proportional to 69,321,553.16, 95,666,730.04 and 38,381,720.72

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Solution

The fourth proportional to 69,321,553.16, 95,666,730.04 and 38,381,720.72 is: 52,968,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,321,553.16 : 95,666,730.04 = 38,381,720.72 : x
  2. Step 2: Convert to fraction form
    69,321,553.16/95,666,730.04 = 38,381,720.72/x
  3. Step 3: Cross multiply
    69,321,553.16x = 95,666,730.04 × 38,381,720.72
  4. Step 4: Simplify right side
    69,321,553.16x = 3,671,853,714,590,914.50
  5. Step 5: Solve for x
    x = 3,671,853,714,590,914.50/69,321,553.16
  6. Step 6: Final answer
    x = 52,968,428.25

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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.