Home / 157,507,232.40-236,260,848.60-143,146,515.60

Finding the Fourth Proportional to 157,507,232.40, 236,260,848.60 and 143,146,515.60

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Solution

The fourth proportional to 157,507,232.40, 236,260,848.60 and 143,146,515.60 is: 214,719,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,507,232.40 : 236,260,848.60 = 143,146,515.60 : x
  2. Step 2: Convert to fraction form
    157,507,232.40/236,260,848.60 = 143,146,515.60/x
  3. Step 3: Cross multiply
    157,507,232.40x = 236,260,848.60 × 143,146,515.60
  4. Step 4: Simplify right side
    157,507,232.40x = 33,819,917,249,789,136
  5. Step 5: Solve for x
    x = 33,819,917,249,789,136/157,507,232.40
  6. Step 6: Final answer
    x = 214,719,773.40

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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.