Home / 104,005,420.80-156,026,793.60-43,427,270.40

Finding the Fourth Proportional to 104,005,420.80, 156,026,793.60 and 43,427,270.40

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Solution

The fourth proportional to 104,005,420.80, 156,026,793.60 and 43,427,270.40 is: 65,148,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,005,420.80 : 156,026,793.60 = 43,427,270.40 : x
  2. Step 2: Convert to fraction form
    104,005,420.80/156,026,793.60 = 43,427,270.40/x
  3. Step 3: Cross multiply
    104,005,420.80x = 156,026,793.60 × 43,427,270.40
  4. Step 4: Simplify right side
    104,005,420.80x = 6,775,817,755,312,189
  5. Step 5: Solve for x
    x = 6,775,817,755,312,189/104,005,420.80
  6. Step 6: Final answer
    x = 65,148,698.05

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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.