Home / 143,724,430.40-215,586,645.60-57,420,161.60

Finding the Fourth Proportional to 143,724,430.40, 215,586,645.60 and 57,420,161.60

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Solution

The fourth proportional to 143,724,430.40, 215,586,645.60 and 57,420,161.60 is: 86,130,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,724,430.40 : 215,586,645.60 = 57,420,161.60 : x
  2. Step 2: Convert to fraction form
    143,724,430.40/215,586,645.60 = 57,420,161.60/x
  3. Step 3: Cross multiply
    143,724,430.40x = 215,586,645.60 × 57,420,161.60
  4. Step 4: Simplify right side
    143,724,430.40x = 12,379,020,029,153,928
  5. Step 5: Solve for x
    x = 12,379,020,029,153,928/143,724,430.40
  6. Step 6: Final answer
    x = 86,130,242.40

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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.