Home / 158,238,171.60-237,168,300.60-66,121,731.60

Finding the Fourth Proportional to 158,238,171.60, 237,168,300.60 and 66,121,731.60

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Solution

The fourth proportional to 158,238,171.60, 237,168,300.60 and 66,121,731.60 is: 99,103,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,238,171.60 : 237,168,300.60 = 66,121,731.60 : x
  2. Step 2: Convert to fraction form
    158,238,171.60/237,168,300.60 = 66,121,731.60/x
  3. Step 3: Cross multiply
    158,238,171.60x = 237,168,300.60 × 66,121,731.60
  4. Step 4: Simplify right side
    158,238,171.60x = 15,681,978,716,301,318
  5. Step 5: Solve for x
    x = 15,681,978,716,301,318/158,238,171.60
  6. Step 6: Final answer
    x = 99,103,639.52

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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.