Home / 54,407,731.10-81,505,308.45-32,778,082.40

Finding the Fourth Proportional to 54,407,731.10, 81,505,308.45 and 32,778,082.40

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Solution

The fourth proportional to 54,407,731.10, 81,505,308.45 and 32,778,082.40 is: 49,103,089.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,407,731.10 : 81,505,308.45 = 32,778,082.40 : x
  2. Step 2: Convert to fraction form
    54,407,731.10/81,505,308.45 = 32,778,082.40/x
  3. Step 3: Cross multiply
    54,407,731.10x = 81,505,308.45 × 32,778,082.40
  4. Step 4: Simplify right side
    54,407,731.10x = 2,671,587,716,411,516.50
  5. Step 5: Solve for x
    x = 2,671,587,716,411,516.50/54,407,731.10
  6. Step 6: Final answer
    x = 49,103,089.99

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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.