Home / 142,317,109.48-213,477,534.06-38,691,429.16

Finding the Fourth Proportional to 142,317,109.48, 213,477,534.06 and 38,691,429.16

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Solution

The fourth proportional to 142,317,109.48, 213,477,534.06 and 38,691,429.16 is: 58,037,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,317,109.48 : 213,477,534.06 = 38,691,429.16 : x
  2. Step 2: Convert to fraction form
    142,317,109.48/213,477,534.06 = 38,691,429.16/x
  3. Step 3: Cross multiply
    142,317,109.48x = 213,477,534.06 × 38,691,429.16
  4. Step 4: Simplify right side
    142,317,109.48x = 8,259,750,886,333,977
  5. Step 5: Solve for x
    x = 8,259,750,886,333,977/142,317,109.48
  6. Step 6: Final answer
    x = 58,037,652.09

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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.