Home / 144,980,140.30-217,470,210.45-80,482,885.90

Finding the Fourth Proportional to 144,980,140.30, 217,470,210.45 and 80,482,885.90

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Solution

The fourth proportional to 144,980,140.30, 217,470,210.45 and 80,482,885.90 is: 120,724,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,980,140.30 : 217,470,210.45 = 80,482,885.90 : x
  2. Step 2: Convert to fraction form
    144,980,140.30/217,470,210.45 = 80,482,885.90/x
  3. Step 3: Cross multiply
    144,980,140.30x = 217,470,210.45 × 80,482,885.90
  4. Step 4: Simplify right side
    144,980,140.30x = 17,502,630,134,296,338
  5. Step 5: Solve for x
    x = 17,502,630,134,296,338/144,980,140.30
  6. Step 6: Final answer
    x = 120,724,328.85

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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.