Home / 145,804,370.70-218,709,148.05-43,569,669.90

Finding the Fourth Proportional to 145,804,370.70, 218,709,148.05 and 43,569,669.90

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Solution

The fourth proportional to 145,804,370.70, 218,709,148.05 and 43,569,669.90 is: 65,355,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,804,370.70 : 218,709,148.05 = 43,569,669.90 : x
  2. Step 2: Convert to fraction form
    145,804,370.70/218,709,148.05 = 43,569,669.90/x
  3. Step 3: Cross multiply
    145,804,370.70x = 218,709,148.05 × 43,569,669.90
  4. Step 4: Simplify right side
    145,804,370.70x = 9,529,085,384,648,728
  5. Step 5: Solve for x
    x = 9,529,085,384,648,728/145,804,370.70
  6. Step 6: Final answer
    x = 65,355,279.40

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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.