Home / 126,609,024.79-189,909,994.24-40,352,607.55

Finding the Fourth Proportional to 126,609,024.79, 189,909,994.24 and 40,352,607.55

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Solution

The fourth proportional to 126,609,024.79, 189,909,994.24 and 40,352,607.55 is: 60,527,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,609,024.79 : 189,909,994.24 = 40,352,607.55 : x
  2. Step 2: Convert to fraction form
    126,609,024.79/189,909,994.24 = 40,352,607.55/x
  3. Step 3: Cross multiply
    126,609,024.79x = 189,909,994.24 × 40,352,607.55
  4. Step 4: Simplify right side
    126,609,024.79x = 7,663,363,467,389,480
  5. Step 5: Solve for x
    x = 7,663,363,467,389,480/126,609,024.79
  6. Step 6: Final answer
    x = 60,527,782.12

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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.