Home / 120,337,066.92-180,453,036.62-42,588,130.30

Finding the Fourth Proportional to 120,337,066.92, 180,453,036.62 and 42,588,130.30

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Solution

The fourth proportional to 120,337,066.92, 180,453,036.62 and 42,588,130.30 is: 63,863,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,337,066.92 : 180,453,036.62 = 42,588,130.30 : x
  2. Step 2: Convert to fraction form
    120,337,066.92/180,453,036.62 = 42,588,130.30/x
  3. Step 3: Cross multiply
    120,337,066.92x = 180,453,036.62 × 42,588,130.30
  4. Step 4: Simplify right side
    120,337,066.92x = 7,685,157,436,603,231
  5. Step 5: Solve for x
    x = 7,685,157,436,603,231/120,337,066.92
  6. Step 6: Final answer
    x = 63,863,592.77

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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.