Home / 142,317,108.48-213,477,532.56-38,691,428.16

Finding the Fourth Proportional to 142,317,108.48, 213,477,532.56 and 38,691,428.16

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Solution

The fourth proportional to 142,317,108.48, 213,477,532.56 and 38,691,428.16 is: 58,037,650.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,317,108.48 : 213,477,532.56 = 38,691,428.16 : x
  2. Step 2: Convert to fraction form
    142,317,108.48/213,477,532.56 = 38,691,428.16/x
  3. Step 3: Cross multiply
    142,317,108.48x = 213,477,532.56 × 38,691,428.16
  4. Step 4: Simplify right side
    142,317,108.48x = 8,259,750,614,819,300
  5. Step 5: Solve for x
    x = 8,259,750,614,819,300/142,317,108.48
  6. Step 6: Final answer
    x = 58,037,650.59

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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.