Home / 143,724,290.40-215,586,435.60-57,420,021.60

Finding the Fourth Proportional to 143,724,290.40, 215,586,435.60 and 57,420,021.60

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Solution

The fourth proportional to 143,724,290.40, 215,586,435.60 and 57,420,021.60 is: 86,130,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,724,290.40 : 215,586,435.60 = 57,420,021.60 : x
  2. Step 2: Convert to fraction form
    143,724,290.40/215,586,435.60 = 57,420,021.60/x
  3. Step 3: Cross multiply
    143,724,290.40x = 215,586,435.60 × 57,420,021.60
  4. Step 4: Simplify right side
    143,724,290.40x = 12,378,977,788,819,008
  5. Step 5: Solve for x
    x = 12,378,977,788,819,008/143,724,290.40
  6. Step 6: Final answer
    x = 86,130,032.40

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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.