Home / 126,445,280.40-189,809,638.20-97,818,325.20

Finding the Fourth Proportional to 126,445,280.40, 189,809,638.20 and 97,818,325.20

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Solution

The fourth proportional to 126,445,280.40, 189,809,638.20 and 97,818,325.20 is: 146,837,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,445,280.40 : 189,809,638.20 = 97,818,325.20 : x
  2. Step 2: Convert to fraction form
    126,445,280.40/189,809,638.20 = 97,818,325.20/x
  3. Step 3: Cross multiply
    126,445,280.40x = 189,809,638.20 × 97,818,325.20
  4. Step 4: Simplify right side
    126,445,280.40x = 18,566,860,915,541,944
  5. Step 5: Solve for x
    x = 18,566,860,915,541,944/126,445,280.40
  6. Step 6: Final answer
    x = 146,837,120.82

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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.