Home / 120,336,357.36-180,521,675.13-37,345,280.11

Finding the Fourth Proportional to 120,336,357.36, 180,521,675.13 and 37,345,280.11

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Solution

The fourth proportional to 120,336,357.36, 180,521,675.13 and 37,345,280.11 is: 56,023,239.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,336,357.36 : 180,521,675.13 = 37,345,280.11 : x
  2. Step 2: Convert to fraction form
    120,336,357.36/180,521,675.13 = 37,345,280.11/x
  3. Step 3: Cross multiply
    120,336,357.36x = 180,521,675.13 × 37,345,280.11
  4. Step 4: Simplify right side
    120,336,357.36x = 6,741,632,523,656,270
  5. Step 5: Solve for x
    x = 6,741,632,523,656,270/120,336,357.36
  6. Step 6: Final answer
    x = 56,023,239.12

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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.