Home / 145,318,748.70-218,020,113.45-43,085,246.70

Finding the Fourth Proportional to 145,318,748.70, 218,020,113.45 and 43,085,246.70

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Solution

The fourth proportional to 145,318,748.70, 218,020,113.45 and 43,085,246.70 is: 64,640,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,318,748.70 : 218,020,113.45 = 43,085,246.70 : x
  2. Step 2: Convert to fraction form
    145,318,748.70/218,020,113.45 = 43,085,246.70/x
  3. Step 3: Cross multiply
    145,318,748.70x = 218,020,113.45 × 43,085,246.70
  4. Step 4: Simplify right side
    145,318,748.70x = 9,393,450,373,555,238
  5. Step 5: Solve for x
    x = 9,393,450,373,555,238/145,318,748.70
  6. Step 6: Final answer
    x = 64,640,319.69

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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.