Home / 102,461,109.44-153,680,305.12-25,784,158.40

Finding the Fourth Proportional to 102,461,109.44, 153,680,305.12 and 25,784,158.40

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Solution

The fourth proportional to 102,461,109.44, 153,680,305.12 and 25,784,158.40 is: 38,673,379.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,461,109.44 : 153,680,305.12 = 25,784,158.40 : x
  2. Step 2: Convert to fraction form
    102,461,109.44/153,680,305.12 = 25,784,158.40/x
  3. Step 3: Cross multiply
    102,461,109.44x = 153,680,305.12 × 25,784,158.40
  4. Step 4: Simplify right side
    102,461,109.44x = 3,962,517,330,174,411
  5. Step 5: Solve for x
    x = 3,962,517,330,174,411/102,461,109.44
  6. Step 6: Final answer
    x = 38,673,379.12

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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.