Home / 124,418,645.10-186,683,954.85-43,697,544.30

Finding the Fourth Proportional to 124,418,645.10, 186,683,954.85 and 43,697,544.30

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Solution

The fourth proportional to 124,418,645.10, 186,683,954.85 and 43,697,544.30 is: 65,565,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,418,645.10 : 186,683,954.85 = 43,697,544.30 : x
  2. Step 2: Convert to fraction form
    124,418,645.10/186,683,954.85 = 43,697,544.30/x
  3. Step 3: Cross multiply
    124,418,645.10x = 186,683,954.85 × 43,697,544.30
  4. Step 4: Simplify right side
    124,418,645.10x = 8,157,630,387,157,074
  5. Step 5: Solve for x
    x = 8,157,630,387,157,074/124,418,645.10
  6. Step 6: Final answer
    x = 65,565,979.93

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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.