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Finding the Fourth Proportional to 301,805,999.20, 452,708,998.80 and 97,354,741.60

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Solution

The fourth proportional to 301,805,999.20, 452,708,998.80 and 97,354,741.60 is: 146,032,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,805,999.20 : 452,708,998.80 = 97,354,741.60 : x
  2. Step 2: Convert to fraction form
    301,805,999.20/452,708,998.80 = 97,354,741.60/x
  3. Step 3: Cross multiply
    301,805,999.20x = 452,708,998.80 × 97,354,741.60
  4. Step 4: Simplify right side
    301,805,999.20x = 44,073,367,598,168,712
  5. Step 5: Solve for x
    x = 44,073,367,598,168,712/301,805,999.20
  6. Step 6: Final answer
    x = 146,032,112.40

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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.