Home / 387,606,180.72-581,495,690.48-111,235,850.92

Finding the Fourth Proportional to 387,606,180.72, 581,495,690.48 and 111,235,850.92

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Solution

The fourth proportional to 387,606,180.72, 581,495,690.48 and 111,235,850.92 is: 166,878,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,606,180.72 : 581,495,690.48 = 111,235,850.92 : x
  2. Step 2: Convert to fraction form
    387,606,180.72/581,495,690.48 = 111,235,850.92/x
  3. Step 3: Cross multiply
    387,606,180.72x = 581,495,690.48 × 111,235,850.92
  4. Step 4: Simplify right side
    387,606,180.72x = 64,683,167,936,855,744
  5. Step 5: Solve for x
    x = 64,683,167,936,855,744/387,606,180.72
  6. Step 6: Final answer
    x = 166,878,577.16

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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.