Home / 157,520,047.60-236,280,071.40-135,978,972.40

Finding the Fourth Proportional to 157,520,047.60, 236,280,071.40 and 135,978,972.40

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Solution

The fourth proportional to 157,520,047.60, 236,280,071.40 and 135,978,972.40 is: 203,968,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,520,047.60 : 236,280,071.40 = 135,978,972.40 : x
  2. Step 2: Convert to fraction form
    157,520,047.60/236,280,071.40 = 135,978,972.40/x
  3. Step 3: Cross multiply
    157,520,047.60x = 236,280,071.40 × 135,978,972.40
  4. Step 4: Simplify right side
    157,520,047.60x = 32,129,121,307,570,632
  5. Step 5: Solve for x
    x = 32,129,121,307,570,632/157,520,047.60
  6. Step 6: Final answer
    x = 203,968,458.60

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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.